diff --git a/modules/ROOT/nav.adoc b/modules/ROOT/nav.adoc
index 78d6a9346..6c269c407 100644
--- a/modules/ROOT/nav.adoc
+++ b/modules/ROOT/nav.adoc
@@ -671,6 +671,7 @@
 ***** xref:reference:sql/sql-functions/math-functions/sin.adoc[]
 ***** xref:reference:sql/sql-functions/math-functions/sinh.adoc[]
 ***** xref:reference:sql/sql-functions/math-functions/sqrt.adoc[]
+***** xref:reference:sql/sql-functions/math-functions/tanh.adoc[]
 ***** xref:reference:sql/sql-functions/math-functions/to-char-from-number.adoc[]
 **** xref:reference:sql/sql-functions/other-functions/index.adoc[Other]
 ***** xref:reference:sql/sql-functions/other-functions/coalesce.adoc[]
diff --git a/modules/reference/pages/sql/sql-data-types/interval.adoc b/modules/reference/pages/sql/sql-data-types/interval.adoc
index 2a0067b12..462f38e8f 100644
--- a/modules/reference/pages/sql/sql-data-types/interval.adoc
+++ b/modules/reference/pages/sql/sql-data-types/interval.adoc
@@ -145,7 +145,7 @@ SELECT INTERVAL '2-4 5 DAYS 04:05:06.070809' YEAR TO MONTH as "Interval";
 
 === Extract data from interval
 
-To extract interval numbers from a timestamp, use the `EXTRACT` function:
+To extract interval numbers from a timestamp, use the `extract` function:
 
 [source,sql]
 ----
diff --git a/modules/reference/pages/sql/sql-data-types/text.adoc b/modules/reference/pages/sql/sql-data-types/text.adoc
index cf7d521d0..f11084941 100644
--- a/modules/reference/pages/sql/sql-data-types/text.adoc
+++ b/modules/reference/pages/sql/sql-data-types/text.adoc
@@ -40,9 +40,9 @@ The following output shows the created table:
 +---------------+---------------+---------------+
 ----
 
-== Text with SUBSTR function
+== Text with substr function
 
-The `SUBSTR` function extracts a specific number of characters from a text.
+The `substr` function extracts a specific number of characters from a text.
 
 === Syntax
 
diff --git a/modules/reference/pages/sql/sql-functions/math-functions/greatest.adoc b/modules/reference/pages/sql/sql-functions/math-functions/greatest.adoc
index fc304afac..b6a714091 100644
--- a/modules/reference/pages/sql/sql-functions/math-functions/greatest.adoc
+++ b/modules/reference/pages/sql/sql-functions/math-functions/greatest.adoc
@@ -1,8 +1,8 @@
-= GREATEST
-:description: The `GREATEST` function returns the largest value from a set of values.
+= greatest
+:description: The `greatest` function returns the largest value from a set of values.
 :page-topic-type: reference
 
-The `GREATEST` function returns the greatest value from a set of values. The arguments must be of compatible types. For example, comparing a text value with a number returns an error.
+The `greatest` function returns the greatest value from a set of values. The arguments must be of compatible types. For example, comparing a text value with a number returns an error.
 
 == Syntax
 
@@ -98,7 +98,7 @@ greatest
 
 === Use table data
 
-You can also use `GREATEST` to find the greatest value across columns. For example, create a table named `Student` that stores student names and scores.
+You can also use `greatest` to find the greatest value across columns. For example, create a table named `Student` that stores student names and scores.
 
 [source,sql]
 ----
diff --git a/modules/reference/pages/sql/sql-functions/math-functions/index.adoc b/modules/reference/pages/sql/sql-functions/math-functions/index.adoc
index ec11c0e28..4d78887cd 100644
--- a/modules/reference/pages/sql/sql-functions/math-functions/index.adoc
+++ b/modules/reference/pages/sql/sql-functions/math-functions/index.adoc
@@ -14,8 +14,8 @@ Mathematical, trigonometric, and hyperbolic functions in Redpanda SQL are design
 |xref:reference:sql/sql-functions/math-functions/ceil.adoc[`ceil()`] |This function rounds up to the nearest positive or negative integer value greater than or equal to the argument
 |xref:reference:sql/sql-functions/math-functions/exp.adoc[`exp()`] |This function returns the exponential value of a number specified in the argument
 |xref:reference:sql/sql-functions/math-functions/floor.adoc[`floor()`] |This function returns a number rounded down that is less than or equal to the specified argument
-|xref:reference:sql/sql-functions/math-functions/greatest.adoc[`GREATEST`] |This function extracts the greatest or largest value from a set of values.
-|xref:reference:sql/sql-functions/math-functions/least.adoc[`LEAST`] |This function returns the least or smallest value in a list of values
+|xref:reference:sql/sql-functions/math-functions/greatest.adoc[`greatest()`] |This function extracts the greatest or largest value from a set of values.
+|xref:reference:sql/sql-functions/math-functions/least.adoc[`least()`] |This function returns the least or smallest value in a list of values
 |xref:reference:sql/sql-functions/math-functions/ln.adoc[`ln()`] |This function returns the natural logarithm (base e) of its argument
 |xref:reference:sql/sql-functions/math-functions/log.adoc[`log()`] |This function returns the base-10 logarithm or logarithm of the specified base of a given number
 |xref:reference:sql/sql-functions/math-functions/power.adoc[`power()`] |This function returns the value of a number raised to the power of another number specified in the arguments
@@ -45,7 +45,7 @@ These trigonometric functions take arguments and return values of type `double p
 |`cosd` |Calculates the cosine of a given argument, where the argument is in degrees. |`cosd(argument)` |`select cosd(60);` Returns: `0.5000000000000001`
 |`cot` |Calculates the cotangent of a given argument, where the argument is in radians. |`cot(argument)` |`select cot(0.5);` Returns: `1.8304877`
 |`cotd` |Calculates the cotangent of a given argument, where the argument is in degrees. |`cotd(argument)` |`select cotd(45);` Returns: `1.0000000000000002`
-|xref:reference:sql/sql-functions/math-functions/sin.adoc[sin] |Calculates the sine of a given argument, where the argument is in radians. |`sin(argument)` |`select sin(1);` Returns: `0.8414709848078965`
+|xref:reference:sql/sql-functions/math-functions/sin.adoc[`sin`] |Calculates the sine of a given argument, where the argument is in radians. |`sin(argument)` |`select sin(1);` Returns: `0.8414709848078965`
 |`sind` |Calculates the sine of a given argument, where the argument is in degrees. |`sind(argument)` |`select sind(30);` Returns: `0.49999999999999994`
 |`tan` |Calculates the tangent of a given argument, where the argument is in radians. |`tan(argument)` |`select tan(1);` Returns: `1.5574077246549023`
 |`tand` |Calculates the tangent of a given argument, where the argument is in degrees. |`tand(argument)` |`select tand(45);` Returns: `0.9999999999999999`
@@ -56,6 +56,7 @@ These trigonometric functions take arguments and return values of type `double p
 [width="100%",cols="6%,32%,26%,36%",options="header",]
 |===
 |*Function* |*Description* |*Syntax* |*Example*
-|xref:reference:sql/sql-functions/math-functions/cosh.adoc[cosh] |Calculates the hyperbolic cosine of a given argument. |`cosh(argument)` |`select cosh(1);` Returns: `1.5430806348152437`
-|xref:reference:sql/sql-functions/math-functions/sinh.adoc[sinh] |Calculates the hyperbolic sine of a given argument. |`sinh(argument)` |`select sinh(1);` Returns: `1.1752011936438014`
+|xref:reference:sql/sql-functions/math-functions/cosh.adoc[`cosh`] |Calculates the hyperbolic cosine of a given argument. |`cosh(argument)` |`select cosh(1);` Returns: `1.5430806348152437`
+|xref:reference:sql/sql-functions/math-functions/sinh.adoc[`sinh`] |Calculates the hyperbolic sine of a given argument. |`sinh(argument)` |`select sinh(1);` Returns: `1.1752011936438014`
+|xref:reference:sql/sql-functions/math-functions/tanh.adoc[`tanh`] |Calculates the hyperbolic tangent of a given argument. |`tanh(argument)` |`select tanh(1);` Returns: `0.7615941559557649`
 |===
diff --git a/modules/reference/pages/sql/sql-functions/math-functions/least.adoc b/modules/reference/pages/sql/sql-functions/math-functions/least.adoc
index 27a008317..0aea0b52e 100644
--- a/modules/reference/pages/sql/sql-functions/math-functions/least.adoc
+++ b/modules/reference/pages/sql/sql-functions/math-functions/least.adoc
@@ -1,14 +1,14 @@
-= LEAST
-:description: The `LEAST` function returns the smallest value in a list of values.
+= least
+:description: The `least` function returns the smallest value in a list of values.
 :page-topic-type: reference
 
-The `LEAST` function returns the least or smallest value in a list of values. It needs at least one argument to work with. If different types are mixed, like a text and a number, it returns an error.
+The `least` function returns the least or smallest value in a list of values. It needs at least one argument to work with. If different types are mixed, like a text and a number, it returns an error.
 
 For example, comparing the greatest value among 4, "`two`", and 9 would result in an error.
 
 == Syntax
 
-The syntax for the `LEAST` function is:
+The syntax for the `least` function is:
 
 [source,sql]
 ----
@@ -29,7 +29,7 @@ Where:
 
 == Examples
 
-These examples show how to use the `LEAST` function:
+These examples show how to use the `least` function:
 
 === Basic usage
 
diff --git a/modules/reference/pages/sql/sql-functions/math-functions/tanh.adoc b/modules/reference/pages/sql/sql-functions/math-functions/tanh.adoc
new file mode 100644
index 000000000..e72f4b124
--- /dev/null
+++ b/modules/reference/pages/sql/sql-functions/math-functions/tanh.adoc
@@ -0,0 +1,69 @@
+= tanh
+:description: The `tanh()` function returns the hyperbolic tangent of a specified numeric argument.
+:page-topic-type: reference
+
+The `tanh()` function returns the hyperbolic tangent of a specified numeric argument.
+
+== Syntax
+
+[source,sql]
+----
+TANH(x)
+----
+
+== Arguments
+
+* `x`: A number of type `real` or `double precision`, including zero.
+
+== Return type
+
+Same as the input type (`real` or `double precision`).
+
+== Examples
+
+=== Positive value
+
+[source,sql]
+----
+SELECT TANH(1);
+----
+
+[source,sql]
+----
+        tanh
+--------------------
+ 0.7615941559557649
+(1 row)
+----
+
+=== Negative value
+
+`TANH(-x)` returns the negative of `TANH(x)`:
+
+[source,sql]
+----
+SELECT TANH(-1);
+----
+
+[source,sql]
+----
+        tanh
+---------------------
+ -0.7615941559557649
+(1 row)
+----
+
+=== Zero
+
+[source,sql]
+----
+SELECT TANH(0);
+----
+
+[source,sql]
+----
+ tanh
+------
+    0
+(1 row)
+----
diff --git a/modules/reference/pages/sql/sql-functions/other-functions/coalesce.adoc b/modules/reference/pages/sql/sql-functions/other-functions/coalesce.adoc
index 0c66b6904..0c4552e01 100644
--- a/modules/reference/pages/sql/sql-functions/other-functions/coalesce.adoc
+++ b/modules/reference/pages/sql/sql-functions/other-functions/coalesce.adoc
@@ -1,12 +1,12 @@
-= COALESCE
-:description: The `COALESCE` function returns the first non-NULL argument from a list of arguments.
+= coalesce
+:description: The `coalesce` function returns the first non-NULL argument from a list of arguments.
 :page-topic-type: reference
 
-The `COALESCE` function returns the first non-NULL argument from a list of arguments. After finding the first non-NULL argument, the function stops evaluating the remaining arguments.
+The `coalesce` function returns the first non-NULL argument from a list of arguments. After finding the first non-NULL argument, the function stops evaluating the remaining arguments.
 
 [NOTE]
 ====
-If all arguments are NULL, `COALESCE` returns NULL.
+If all arguments are NULL, `coalesce` returns NULL.
 ====
 
 == Syntax
@@ -20,17 +20,17 @@ COALESCE (argument_1, argument_2, …);
 
 Key points from the syntax:
 
-* `COALESCE` requires a minimum of two inputs.
+* `coalesce` requires a minimum of two inputs.
 * It can take an unlimited number of arguments.
 * Evaluation occurs sequentially from left to right, stopping at the first non-null value.
 
 == Examples
 
-Here are some examples to illustrate the application of `COALESCE`:
+Here are some examples to illustrate the application of `coalesce`:
 
 === Return the first non-null value
 
-In this example, a set of values is provided. The `COALESCE` function returns the first non-null value from this set.
+In this example, a set of values is provided. The `coalesce` function returns the first non-null value from this set.
 
 [source,sql]
 ----
@@ -91,7 +91,7 @@ In this query, NULL appears in the first, second, fourth, and last positions:
 Select COALESCE(NULL, NULL ,3, NULL, 7,9,4,5, NULL);
 ----
 
-The `COALESCE` function ignores the first two NULLs and returns the first non-null value, `3`. It does not process the subsequent NULL values.
+The `coalesce` function ignores the first two NULLs and returns the first non-null value, `3`. It does not process the subsequent NULL values.
 
 [source,sql]
 ----
@@ -109,7 +109,7 @@ Assume that the given values are entirely composed of nulls.
 Select COALESCE(NULL, NULL ,NULL, NULL);
 ----
 
-In this case, the `COALESCE` function returns an empty value (NULL).
+In this case, the `coalesce` function returns an empty value (NULL).
 
 [source,sql]
 ----
@@ -117,7 +117,7 @@ In this case, the `COALESCE` function returns an empty value (NULL).
 ----------
 ----
 
-=== `COALESCE` with table data
+=== `coalesce` with table data
 
 Consider the `employee_absent` table, which comprises a mix of NULL and non-null values:
 
@@ -156,7 +156,7 @@ SELECT * FROM employee_absent;
  Emily    | HR         |
 ----
 
-The following query uses the `COALESCE` function on the `absent` column. It retrieves names and absences (with `out of office` for NULL values) for each employee.
+The following query uses the `coalesce` function on the `absent` column. It retrieves names and absences (with `out of office` for NULL values) for each employee.
 
 [source,sql]
 ----
@@ -174,7 +174,7 @@ SELECT emp_name, COALESCE(absent, 'out of office') AS DisplayAbsent FROM employe
  Emily    | out of office
 ----
 
-=== Error output in `COALESCE`
+=== Error output in `coalesce`
 
 When specifying arguments with different datatypes, they should be convertible.
 
@@ -183,7 +183,7 @@ When specifying arguments with different datatypes, they should be convertible.
 Select Coalesce ('x',NULL,1);
 ----
 
-If the datatypes cannot be converted, the `COALESCE` function generates an error.
+If the datatypes cannot be converted, the `coalesce` function generates an error.
 
 [source,sql]
 ----
diff --git a/modules/reference/pages/sql/sql-functions/other-functions/index.adoc b/modules/reference/pages/sql/sql-functions/other-functions/index.adoc
index ed37a6b3f..959f023f1 100644
--- a/modules/reference/pages/sql/sql-functions/other-functions/index.adoc
+++ b/modules/reference/pages/sql/sql-functions/other-functions/index.adoc
@@ -1,5 +1,5 @@
 = Other Functions
-:description: Reference for other Redpanda SQL functions, including `COALESCE`, `NULLIF`, and PostgreSQL system information functions.
+:description: Reference for other Redpanda SQL functions, including `coalesce`, `nullif`, and PostgreSQL system information functions.
 :page-topic-type: reference
 
 Besides xref:reference:sql/sql-functions/math-functions/index.adoc[math], xref:reference:sql/sql-functions/aggregate-functions/index.adoc[aggregate], xref:reference:sql/sql-functions/window-functions/index.adoc[window], xref:reference:sql/sql-functions/string-functions/index.adoc[string], xref:reference:sql/sql-functions/timestamp-functions/index.adoc[timestamp], and xref:reference:sql/sql-functions/json-functions/index.adoc[`json`] functions, Redpanda SQL also supports these functions:
@@ -7,25 +7,25 @@ Besides xref:reference:sql/sql-functions/math-functions/index.adoc[math], xref:r
 [cols="46%,54%",options="header",]
 |===
 |Function |Description
-|xref:reference:sql/sql-functions/other-functions/coalesce.adoc[`COALESCE`] |Returns the first argument that is not NULL, while the remaining arguments from the first non-null argument are not evaluated.
-|xref:reference:sql/sql-functions/other-functions/current-database.adoc[current_database()] |Returns the current database's name.
-|xref:reference:sql/sql-functions/other-functions/current-schema.adoc[current_schema()] |Returns the schema's name (first in the search path).
-|xref:reference:sql/sql-functions/other-functions/has-schema-privilege.adoc[has_schema_privilege()] |Checks whether the current user has specific privileges on a schema.
-|xref:reference:sql/sql-functions/other-functions/nullif.adoc[`NULLIF`] |Replaces a given value with NULL if it matches a specific criterion.
-|xref:reference:sql/sql-functions/other-functions/pg-get-expr.adoc[pg_get_expr()] |Retrieves the internal form of an individual expression (such as the default value for a column).
-|xref:reference:sql/sql-functions/other-functions/pg-total-relation-size.adoc[pg_total_relation_size()] |Retrieves the size of a table.
-|xref:reference:sql/sql-functions/other-functions/pg-typeof.adoc[pg_typeof()] |Retrieves the data type of any given value.
-|xref:reference:sql/sql-functions/other-functions/pg-encoding-to-char.adoc[pg_encoding_to_char()] |Converts an encoding internal identifier to a human-readable name.
-|xref:reference:sql/sql-functions/other-functions/pg-get-indexdef.adoc[pg_get_indexdef()] |Reconstructs the PostgreSQL command used to retrieve the definition of a specified index.
-|xref:reference:sql/sql-functions/other-functions/pg-get-userbyid.adoc[pg_get_userbyid()] |Retrieves the name of a user (role) given its unique identifier (OID).
-|xref:reference:sql/sql-functions/other-functions/pg-relation-is-publishable.adoc[pg_relation_is_publishable()] |Determines whether a specified relation (table) can be published in a publication.
-|xref:reference:sql/sql-functions/other-functions/pg-size-pretty.adoc[pg_size_pretty()] |Converts sizes in bytes into a human-readable format.
-|xref:reference:sql/sql-functions/other-functions/pg-table-size.adoc[pg_table_size()] |Retrieves the size of a specific table, including its associated storage components but excluding indexes.
-|xref:reference:sql/sql-functions/other-functions/pg-table-is-visible.adoc[pg_table_is_visible()] |Checks whether a specified table (or other database object) is visible in the current schema search path.
-|xref:reference:sql/sql-functions/other-functions/pg-get-constraintdef.adoc[pg_get_constraintdef()] |Retrieves the definition of a specific constraint in a human-readable format.
-|xref:reference:sql/sql-functions/other-functions/pg-get-statisticsobjdef-columns.adoc[pg_get_statisticsobjdef_columns()] |Retrieves the definitions of columns associated with a specified statistics object.
-|xref:reference:sql/sql-functions/other-functions/obj-description.adoc[obj_description()] |Returns the comment associated with a specific database object.
-|xref:reference:sql/sql-functions/other-functions/col-description.adoc[col_description()] |Retrieves the comment associated with a specified table column based on its name.
-|xref:reference:sql/sql-functions/other-functions/shobj-description.adoc[shobj_description()] |Retrieves the comment associated with a shared database object.
-|xref:reference:sql/sql-functions/other-functions/pg-backend-pid.adoc[pg_backend_pid()] |Returns the process ID (PID) of the node handling the current session.
+|xref:reference:sql/sql-functions/other-functions/coalesce.adoc[`coalesce()`] |Returns the first argument that is not NULL, while the remaining arguments from the first non-null argument are not evaluated.
+|xref:reference:sql/sql-functions/other-functions/current-database.adoc[`current_database()`] |Returns the current database's name.
+|xref:reference:sql/sql-functions/other-functions/current-schema.adoc[`current_schema()`] |Returns the schema's name (first in the search path).
+|xref:reference:sql/sql-functions/other-functions/has-schema-privilege.adoc[`has_schema_privilege()`] |Checks whether the current user has specific privileges on a schema.
+|xref:reference:sql/sql-functions/other-functions/nullif.adoc[`nullif()`] |Replaces a given value with NULL if it matches a specific criterion.
+|xref:reference:sql/sql-functions/other-functions/pg-get-expr.adoc[`pg_get_expr()`] |Retrieves the internal form of an individual expression (such as the default value for a column).
+|xref:reference:sql/sql-functions/other-functions/pg-total-relation-size.adoc[`pg_total_relation_size()`] |Retrieves the size of a table.
+|xref:reference:sql/sql-functions/other-functions/pg-typeof.adoc[`pg_typeof()`] |Retrieves the data type of any given value.
+|xref:reference:sql/sql-functions/other-functions/pg-encoding-to-char.adoc[`pg_encoding_to_char()`] |Converts an encoding internal identifier to a human-readable name.
+|xref:reference:sql/sql-functions/other-functions/pg-get-indexdef.adoc[`pg_get_indexdef()`] |Reconstructs the PostgreSQL command used to retrieve the definition of a specified index.
+|xref:reference:sql/sql-functions/other-functions/pg-get-userbyid.adoc[`pg_get_userbyid()`] |Retrieves the name of a user (role) given its unique identifier (OID).
+|xref:reference:sql/sql-functions/other-functions/pg-relation-is-publishable.adoc[`pg_relation_is_publishable()`] |Determines whether a specified relation (table) can be published in a publication.
+|xref:reference:sql/sql-functions/other-functions/pg-size-pretty.adoc[`pg_size_pretty()`] |Converts sizes in bytes into a human-readable format.
+|xref:reference:sql/sql-functions/other-functions/pg-table-size.adoc[`pg_table_size()`] |Retrieves the size of a specific table, including its associated storage components but excluding indexes.
+|xref:reference:sql/sql-functions/other-functions/pg-table-is-visible.adoc[`pg_table_is_visible()`] |Checks whether a specified table (or other database object) is visible in the current schema search path.
+|xref:reference:sql/sql-functions/other-functions/pg-get-constraintdef.adoc[`pg_get_constraintdef()`] |Retrieves the definition of a specific constraint in a human-readable format.
+|xref:reference:sql/sql-functions/other-functions/pg-get-statisticsobjdef-columns.adoc[`pg_get_statisticsobjdef_columns()`] |Retrieves the definitions of columns associated with a specified statistics object.
+|xref:reference:sql/sql-functions/other-functions/obj-description.adoc[`obj_description()`] |Returns the comment associated with a specific database object.
+|xref:reference:sql/sql-functions/other-functions/col-description.adoc[`col_description()`] |Retrieves the comment associated with a specified table column based on its name.
+|xref:reference:sql/sql-functions/other-functions/shobj-description.adoc[`shobj_description()`] |Retrieves the comment associated with a shared database object.
+|xref:reference:sql/sql-functions/other-functions/pg-backend-pid.adoc[`pg_backend_pid()`] |Returns the process ID (PID) of the node handling the current session.
 |===
diff --git a/modules/reference/pages/sql/sql-functions/other-functions/nullif.adoc b/modules/reference/pages/sql/sql-functions/other-functions/nullif.adoc
index 8098a11f9..d86d07ea6 100644
--- a/modules/reference/pages/sql/sql-functions/other-functions/nullif.adoc
+++ b/modules/reference/pages/sql/sql-functions/other-functions/nullif.adoc
@@ -1,8 +1,8 @@
-= NULLIF
-:description: The `NULLIF` function replaces a given value with NULL if it matches a specific criterion.
+= nullif
+:description: The `nullif` function replaces a given value with NULL if it matches a specific criterion.
 :page-topic-type: reference
 
-The `NULLIF` function replaces a given value with NULL if it matches a specific criterion.
+The `nullif` function replaces a given value with NULL if it matches a specific criterion.
 
 == Syntax
 
@@ -11,21 +11,21 @@ The `NULLIF` function replaces a given value with NULL if it matches a specific
 NULLIF(argument_1,argument_2);
 ----
 
-The `NULLIF` function takes two arguments:
+The `nullif` function takes two arguments:
 
 * The first argument is the value to evaluate.
 * The second argument is the value to treat as NULL if the first argument matches it.
 
 [TIP]
 ====
-If the first argument matches the second argument, the `NULLIF` function returns `NULL`. Otherwise, it returns the first argument as-is.
+If the first argument matches the second argument, the `nullif` function returns `NULL`. Otherwise, it returns the first argument as-is.
 ====
 
 == Examples
 
 === Handle equal values
 
-In this case, the `NULLIF` function compares the values 4 and 4.
+In this case, the `nullif` function compares the values 4 and 4.
 
 [source,sql]
 ----
@@ -42,14 +42,14 @@ The result is `NULL` because the two values being compared are equal (4 = 4).
 
 === Handle different values
 
-This example uses the `NULLIF` function to manage different values.
+This example uses the `nullif` function to manage different values.
 
 [source,sql]
 ----
 SELECT NULLIF (9, 0);
 ----
 
-The result is `9` because the second value in the `NULLIF` function is 0 (the two values are not equal).
+The result is `9` because the second value in the `nullif` function is 0 (the two values are not equal).
 
 [source,sql]
 ----
@@ -60,7 +60,7 @@ The result is `9` because the second value in the `NULLIF` function is 0 (the tw
 
 === String comparison
 
-In this case, the `NULLIF` function compares the strings `L` and `O`.
+In this case, the `nullif` function compares the strings `L` and `O`.
 
 [source,sql]
 ----
@@ -122,7 +122,7 @@ SELECT name, NULLIF(salary, 0) AS adjusted_salary
 FROM employees;
 ----
 
-The `NULLIF` function checks whether the `salary` value is 0. If it is, the function returns NULL. Otherwise, it returns the original `salary` value.
+The `nullif` function checks whether the `salary` value is 0. If it is, the function returns NULL. Otherwise, it returns the original `salary` value.
 
 [source,sql]
 ----
@@ -173,7 +173,7 @@ SELECT * FROM fractions;
         15 |           3
 ----
 
-Here, the `NULLIF` function is applied to the `denominator` column. If the `denominator` is 0, the function returns NULL, avoiding division by zero.
+Here, the `nullif` function is applied to the `denominator` column. If the `denominator` is 0, the function returns NULL, avoiding division by zero.
 
 [source,sql]
 ----
diff --git a/modules/reference/pages/sql/sql-functions/string-functions/index.adoc b/modules/reference/pages/sql/sql-functions/string-functions/index.adoc
index 7a47d666d..185659e4e 100644
--- a/modules/reference/pages/sql/sql-functions/string-functions/index.adoc
+++ b/modules/reference/pages/sql/sql-functions/string-functions/index.adoc
@@ -14,12 +14,12 @@ Use string functions to analyze and manipulate string values. Redpanda SQL suppo
 |xref:reference:sql/sql-functions/string-functions/starts-with.adoc[`starts_with()`] |Checks if a string starts with a specified substring
 |xref:reference:sql/sql-functions/string-functions/ends-with.adoc[`ends_with()`] |Checks if a string ends with a specified substring
 |xref:reference:sql/sql-functions/string-functions/concat.adoc[`concat()`] |Adds two or more strings together
-|xref:reference:sql/sql-functions/string-functions/substring.adoc[`SUBSTRING`] |Extracts a substring from a string. `SUBSTR` is an alias.
+|xref:reference:sql/sql-functions/string-functions/substring.adoc[`substring()`] |Extracts a substring from a string. `substr` is an alias.
 |xref:reference:sql/sql-functions/string-functions/strpos.adoc[`strpos()`] |Finds the position at which the substring starts within the string
 |xref:reference:sql/sql-functions/string-functions/regex/regexp-match.adoc[`regexp_match()`] |Matches a POSIX regular expression pattern to a string
 |xref:reference:sql/sql-functions/string-functions/regex/regexp-replace.adoc[`regexp_replace()`] |Substitutes new text for substrings that match POSIX regular expression patterns
 |xref:reference:sql/sql-functions/string-functions/replace.adoc[`replace()`] |Finds and replace occurrences of a substring in a string
-|xref:reference:sql/sql-functions/string-functions/position.adoc[`POSITION`] |Returns the position of the first occurrence of a substring in a string
+|xref:reference:sql/sql-functions/string-functions/position.adoc[`position()`] |Returns the position of the first occurrence of a substring in a string
 |===
 
 == String operators
diff --git a/modules/reference/pages/sql/sql-functions/string-functions/position.adoc b/modules/reference/pages/sql/sql-functions/string-functions/position.adoc
index 390b6ae42..5fea7657f 100644
--- a/modules/reference/pages/sql/sql-functions/string-functions/position.adoc
+++ b/modules/reference/pages/sql/sql-functions/string-functions/position.adoc
@@ -1,8 +1,8 @@
-= POSITION
-:description: The `POSITION` function returns the position of the first occurrence of a substring in a string.
+= position
+:description: The `position` function returns the position of the first occurrence of a substring in a string.
 :page-topic-type: reference
 
-The `POSITION` function returns the position of the first occurrence of a substring in a string. It works the same as xref:reference:sql/sql-functions/string-functions/strpos.adoc[`strpos()`], but it has slightly different syntax.
+The `position` function returns the position of the first occurrence of a substring in a string. It works the same as xref:reference:sql/sql-functions/string-functions/strpos.adoc[`strpos()`], but it has slightly different syntax.
 
 == Syntax
 
diff --git a/modules/reference/pages/sql/sql-functions/string-functions/strpos.adoc b/modules/reference/pages/sql/sql-functions/string-functions/strpos.adoc
index aa1a36763..ee70fe950 100644
--- a/modules/reference/pages/sql/sql-functions/string-functions/strpos.adoc
+++ b/modules/reference/pages/sql/sql-functions/string-functions/strpos.adoc
@@ -14,7 +14,7 @@ The input and return must be of type `string`.
 *Special cases:*
 
 * Returns `NULL` if there are no input rows or `NULL` values.
-* If the `SUBSTRING` is not found in the string, then the `strpos()` function will return 0.
+* If the `substring` is not found in the string, then the `strpos()` function will return 0.
 
 == Examples
 
diff --git a/modules/reference/pages/sql/sql-functions/string-functions/substring.adoc b/modules/reference/pages/sql/sql-functions/string-functions/substring.adoc
index cd49b8aff..da7b1ba0a 100644
--- a/modules/reference/pages/sql/sql-functions/string-functions/substring.adoc
+++ b/modules/reference/pages/sql/sql-functions/string-functions/substring.adoc
@@ -1,12 +1,12 @@
-= SUBSTRING
-:description: The `SUBSTRING` function extracts a part of a string. `SUBSTR` is an alias.
+= substring
+:description: The `substring` function extracts a part of a string. `substr` is an alias.
 :page-topic-type: reference
 
-The `SUBSTRING` function extracts a part of a string and returns the result. `SUBSTR` is an alias for `SUBSTRING`. Both names produce the same result.
+The `substring` function extracts a part of a string and returns the result. `substr` is an alias for `substring`. Both names produce the same result.
 
 == Syntax
 
-Use either name (`SUBSTRING` or `SUBSTR`) with the same syntax:
+Use either name (`substring` or `substr`) with the same syntax:
 
 *2 Arguments*
 
@@ -71,7 +71,7 @@ substring
  Redpanda
 ----
 
-=== `SUBSTRING` with specified `start_position` and `length`
+=== `substring` with specified `start_position` and `length`
 
 In this example, the `start_position` is set to position 6 and 5 characters are extracted:
 
@@ -89,7 +89,7 @@ Fruit
  melon
 ----
 
-=== `SUBSTRING` with `length` = 0
+=== `substring` with `length` = 0
 
 This query extracts a string with `length` = 0:
 
@@ -106,7 +106,7 @@ Fruit
 -------
 ----
 
-=== `SUBSTRING` with `length` = negative value
+=== `substring` with `length` = negative value
 
 This example shows what happens when `length` is specified with a negative value:
 
@@ -122,7 +122,7 @@ Instead of extracting the string from the last characters, it returns an error:
 ERROR:  Length of substring cannot be negative
 ----
 
-=== `SUBSTRING` with `start_position` > `string`
+=== `substring` with `start_position` > `string`
 
 The string `Watermelon` has only ten characters. This example shows what happens when the specified `start_position` is larger than the string's characters:
 
@@ -139,7 +139,7 @@ Fruit
 -------
 ----
 
-=== `SUBSTRING` with 2 arguments
+=== `substring` with 2 arguments
 
 In this example, the `start_position` is set to position 6:
 
diff --git a/modules/reference/pages/sql/sql-functions/timestamp-functions/extract.adoc b/modules/reference/pages/sql/sql-functions/timestamp-functions/extract.adoc
index 75909e36f..cdac656c0 100644
--- a/modules/reference/pages/sql/sql-functions/timestamp-functions/extract.adoc
+++ b/modules/reference/pages/sql/sql-functions/timestamp-functions/extract.adoc
@@ -1,8 +1,8 @@
-= EXTRACT
-:description: The `EXTRACT` function retrieves a specified part (field) from a given date/time or interval value.
+= extract
+:description: The `extract` function retrieves a specified part (field) from a given date/time or interval value.
 :page-topic-type: reference
 
-The `EXTRACT` function retrieves a specified part (field) from a given date/time or interval value. It is commonly used to obtain components such as year, month, day, and hour from timestamps or dates.
+The `extract` function retrieves a specified part (field) from a given date/time or interval value. It is commonly used to obtain components such as year, month, day, and hour from timestamps or dates.
 
 == Syntax
 
@@ -16,7 +16,7 @@ EXTRACT (field FROM source)
 * `field`: String or identifier specifying the part of the date / time to extract.
 * `source`: Date / time value from which to extract the specified field.
 
-This table shows the supported input and corresponding return types for the `EXTRACT` function:
+This table shows the supported input and corresponding return types for the `extract` function:
 
 [width="100%",cols="24%,55%,21%",options="header",]
 |===
@@ -33,9 +33,9 @@ The SECOND field returns a fractional value as `double precision` to include fra
 
 == Examples
 
-=== `EXTRACT` with timestamp - year
+=== `extract` with timestamp - year
 
-This example shows how to use the `EXTRACT` function to extract a given timestamp's year:
+This example shows how to use the `extract` function to extract a given timestamp's year:
 
 [source,sql]
 ----
@@ -53,9 +53,9 @@ The query returns:
 +----------+
 ----
 
-=== `EXTRACT` with timestamp - month
+=== `extract` with timestamp - month
 
-This example uses the `EXTRACT` function to extract a given timestamp's month:
+This example uses the `extract` function to extract a given timestamp's month:
 
 [source,sql]
 ----
@@ -73,9 +73,9 @@ The query returns the month's part of the given timestamp:
 +----------+
 ----
 
-=== `EXTRACT` with timestamp - seconds (including fractional seconds)
+=== `extract` with timestamp - seconds (including fractional seconds)
 
-This example uses the `EXTRACT` function to extract a given timestamp's seconds, including fractional seconds:
+This example uses the `extract` function to extract a given timestamp's seconds, including fractional seconds:
 
 [source,sql]
 ----
diff --git a/modules/reference/pages/sql/sql-functions/timestamp-functions/index.adoc b/modules/reference/pages/sql/sql-functions/timestamp-functions/index.adoc
index 322b81b9b..7da291e10 100644
--- a/modules/reference/pages/sql/sql-functions/timestamp-functions/index.adoc
+++ b/modules/reference/pages/sql/sql-functions/timestamp-functions/index.adoc
@@ -15,7 +15,7 @@ Timestamp functions return a date-time value based on a specified timestamp/inte
 |xref:reference:sql/sql-functions/timestamp-functions/timestamp-millis.adoc[`timestamp_millis()`] |Converts a UNIX timestamp in milliseconds to a timestamp.
 |xref:reference:sql/sql-functions/timestamp-functions/timestamp-micros.adoc[`timestamp_micros()`] |Converts a UNIX timestamp in microseconds to a timestamp.
 |xref:reference:sql/sql-functions/timestamp-functions/timestamp-trunc.adoc[`timestamp_trunc()`] |Truncates a given timestamp to the nearest time part. Supported time parts are YEAR, MONTH, DAY, HOUR, MINUTE, and SECOND
-|xref:reference:sql/sql-functions/timestamp-functions/extract.adoc[`EXTRACT`] |Extracts some part of a specified timestamp or interval.
+|xref:reference:sql/sql-functions/timestamp-functions/extract.adoc[`extract()`] |Extracts some part of a specified timestamp or interval.
 |xref:reference:sql/sql-functions/timestamp-functions/to-timestamp.adoc[`to_timestamp()`] |Converts a string into a timestamp based on the provided format.
 |xref:reference:sql/sql-functions/timestamp-functions/date-trunc.adoc[`date_trunc()`] |Truncates intervals or timestamps/time zones to a specified field.
 |xref:reference:sql/sql-functions/timestamp-functions/to-char.adoc[`to_char()` from Timestamp] |Formats a timestamp into a string using a given format.