Merge pull request #23567 from rwestMSFT/patch-17

TRIM: Fix public issue 7870 and refresh article

Author: v-stsavell

docs/t-sql/functions/trim-transact-sql.md

@@ -1,15 +1,14 @@
 ---
 title: "TRIM (Transact-SQL)"
-description: "TRIM (Transact-SQL)"
+description: "Removes the space character or other specified characters from the start and end of a string."
 author: WilliamDAssafMSFT
 ms.author: wiassaf
-ms.reviewer: "wiassaf"
-ms.date: "09/14/2021"
+ms.reviewer: randolphwest
+ms.date: 08/04/2022
 ms.prod: sql
 ms.prod_service: "database-engine, sql-database"
 ms.technology: t-sql
 ms.topic: reference
-ms.custom: ""
 f1_keywords:
   - "TRIM"
   - "TRIM_TSQL"
@@ -23,31 +22,37 @@ monikerRange: "= azure-sqldw-latest || = azuresqldb-current || >= sql-server-201
 
 [!INCLUDE [sqlserver2017-asdb-asdbmi-asa](../../includes/applies-to-version/sqlserver2017-asdb-asdbmi-asa.md)]
 
-Removes the space character `char(32)` or other specified characters from the start and end of a string.  
+Removes the space character `char(32)` or other specified characters from the start and end of a string.
+
+:::image type="icon" source="../../database-engine/configure-windows/media/topic-link.gif" border="false"::: [Transact-SQL Syntax Conventions](../language-elements/transact-sql-syntax-conventions-transact-sql.md)
 
 ## Syntax
 
+Syntax for SQL Server and Azure SQL Database:
+
 ```syntaxsql
--- Syntax for SQL Server and Azure SQL Database
 TRIM ( [ characters FROM ] string )
 ```
 
+Syntax for Azure Synapse Analytics:
+
 ```syntaxsql
--- Syntax for Azure Synapse Analytics
 TRIM ( string )
 ```
 
 [!INCLUDE[sql-server-tsql-previous-offline-documentation](../../includes/sql-server-tsql-previous-offline-documentation.md)]
 
 ## Arguments
 
-characters
-Is a literal, variable, or function call of any non-LOB character type (`nvarchar`, `varchar`, `nchar`, or `char`) containing characters that should be removed. `nvarchar(max)` and `varchar(max)` types aren't allowed.
+#### *characters*
+
+A literal, variable, or function call of any non-LOB character type (`nvarchar`, `varchar`, `nchar`, or `char`) containing characters that should be removed. `nvarchar(max)` and `varchar(max)` types aren't allowed.
+
+#### *string*
 
-string
-Is an expression of any character type (`nvarchar`, `varchar`, `nchar`, or `char`) where characters should be removed.
+An expression of any character type (`nvarchar`, `varchar`, `nchar`, or `char`) where characters should be removed.
 
-## Return Types
+## Return types
 
 Returns a character expression with a type of string argument where the space character `char(32)` or other specified characters are removed from both sides. Returns `NULL` if input string is `NULL`.
 
@@ -57,7 +62,7 @@ By default, the `TRIM` function removes the space character from both the beginn
 
 ## Examples
 
-### A.  Removes the space character from both sides of string
+### A. Remove the space character from both sides of string
 
 The following example removes spaces from before and after the word `test`.
 
@@ -67,11 +72,11 @@ SELECT TRIM( '     test    ') AS Result;
 
 [!INCLUDE[ssResult_md](../../includes/ssresult-md.md)]
 
-```
+```output
 test
 ```
 
-### B.  Removes specified characters from both sides of string
+### B. Remove specified characters from both sides of string
 
 The following example removes a trailing period and spaces from before `#` and after the word `test`.
 
@@ -80,16 +85,18 @@ SELECT TRIM( '.,! ' FROM  '     #     test    .') AS Result;
 ```
 
 [!INCLUDE[ssResult_md](../../includes/ssresult-md.md)]
-```
+
+```output
 #     test
+
 ```
 
-## See Also
+## See also
 
-- [LEFT (Transact-SQL)](../../t-sql/functions/left-transact-sql.md)  
-- [LTRIM (Transact-SQL)](../../t-sql/functions/ltrim-transact-sql.md)  
-- [RIGHT (Transact-SQL)](../../t-sql/functions/right-transact-sql.md)  
-- [RTRIM (Transact-SQL)](../../t-sql/functions/rtrim-transact-sql.md)  
-- [STRING_SPLIT (Transact-SQL)](../../t-sql/functions/string-split-transact-sql.md)  
-- [SUBSTRING (Transact-SQL)](../../t-sql/functions/substring-transact-sql.md)  
+- [LEFT (Transact-SQL)](../../t-sql/functions/left-transact-sql.md)
+- [LTRIM (Transact-SQL)](../../t-sql/functions/ltrim-transact-sql.md)
+- [RIGHT (Transact-SQL)](../../t-sql/functions/right-transact-sql.md)
+- [RTRIM (Transact-SQL)](../../t-sql/functions/rtrim-transact-sql.md)
+- [STRING_SPLIT (Transact-SQL)](../../t-sql/functions/string-split-transact-sql.md)
+- [SUBSTRING (Transact-SQL)](../../t-sql/functions/substring-transact-sql.md)
 - [String Functions (Transact-SQL)](../../t-sql/functions/string-functions-transact-sql.md)