docs: DATE_TRUNC updates (#1659)

* Update date-trunc.md

* Update date-trunc.md

* Update date-trunc.md

* Update date-trunc.md

* Update date-trunc.md

Author: soyeric128

docs/en/sql-reference/20-sql-functions/05-datetime-functions/date-trunc.md

@@ -1,33 +1,37 @@
 ---
 title: DATE_TRUNC
 ---
+import FunctionDescription from '@site/src/components/FunctionDescription';
 
-Truncates a date, time, or timestamp value to a specified precision. For example, if you truncate `2022-07-07` to `MONTH`, the result will be `2022-07-01`; if you truncate `2022-07-07 01:01:01.123456` to `SECOND`, the result will be `2022-07-07 01:01:01.000000`.
+<FunctionDescription description="Introduced or updated: v1.2.697"/>
+
+Truncates a date or timestamp to a specified precision. For example, if you truncate `2022-07-07` to `MONTH`, the result will be `2022-07-01`; if you truncate `2022-07-07 01:01:01.123456` to `SECOND`, the result will be `2022-07-07 01:01:01.000000`.
 
 ## Syntax
 
 ```sql
-DATE_TRUNC(<precision>, <date_or_time_expr>)
+DATE_TRUNC(<precision>, <date_or_timestamp>)
 ```
-## Arguments
 
-| Arguments             | Description                                                                                        |
-|-----------------------|----------------------------------------------------------------------------------------------------|
-| `<precision>`          | Must be of the following values: `YEAR`, `QUARTER`, `MONTH`, `DAY`, `HOUR`, `MINUTE` and `SECOND`  |
-| `<date_or_time_expr>` | A value of `DATE` or `TIMESTAMP` type                                                              |
+| Parameter             | Description                                                                                                |
+|-----------------------|------------------------------------------------------------------------------------------------------------|
+| `<precision>`         | Must be of the following values: `YEAR`, `QUARTER`, `MONTH`, `WEEK`, `DAY`, `HOUR`, `MINUTE` and `SECOND`. |
+| `<date_or_timestamp>` | A value of `DATE` or `TIMESTAMP` type.                                                                     |
 
 ## Return Type
 
-The function returns a value of the same type as the `<date_or_time_expr>` argument.
+Same as `<date_or_timestamp>`.
 
 ## Examples
 
 ```sql
-select date_trunc(month, to_date('2022-07-07'));
-
-┌──────────────────────────────────────────┐
-│ date_trunc(month, to_date('2022-07-07')) │
-├──────────────────────────────────────────┤
-│ 2022-07-01                               │
-└──────────────────────────────────────────┘
+SELECT
+    DATE_TRUNC(MONTH, to_date('2022-07-07')),
+    DATE_TRUNC(WEEK, to_date('2022-07-07'));
+
+┌────────────────────────────────────────────────────────────────────────────────────┐
+│ DATE_TRUNC(MONTH, to_date('2022-07-07')) │ DATE_TRUNC(WEEK, to_date('2022-07-07')) │
+├──────────────────────────────────────────┼─────────────────────────────────────────┤
+│ 2022-07-01                               │ 2022-07-04                              │
+└────────────────────────────────────────────────────────────────────────────────────┘
 ```