# SQL Server 2018 deprecated features list
<a name="chap-sql-server-aurora-mysql.deprecatedfeatures"></a>

This topic provides reference information for deprecated features from SQL Server 2018. For more information, refer to the linked topics.


| SQL Server 2018 deprecated feature | Section | 
| --- | --- | 
|   `TEXT`, `NTEXT`, and `IMAGE` data types  |   [Data Types](chap-sql-server-aurora-mysql.sql.datatypes.md)   | 
|   `SET ROWCOUNT` for DML  |   [Session Options](chap-sql-server-aurora-mysql.configuration.sessionoptions.md)   | 
|   `TIMESTAMP` syntax for `CREATE TABLE`   |   [Creating Tables](chap-sql-server-aurora-mysql.sql.creatingtables.md)   | 
|   `DBCC DBREINDEX`, `INDEXDEFRAG`, and `SHOWCONTIG`   |   [Maintenance Plans](chap-sql-server-aurora-mysql.management.maintenanceplans.md)   | 
|  Old SQL Mail  |   [Database Mail](chap-sql-server-aurora-mysql.management.databasemail.md)   | 
|   `IDENTITY` seed, increment, non primary key, and compound  |   [Identity and Sequences](chap-sql-server-aurora-mysql.tsql.identitysequences.md)   | 
|  Stored procedures `RETURN` values  |   [Stored Procedures](chap-sql-server-aurora-mysql.tsql.storedprocedures.md)   | 
|   `GROUP BY ALL`, `Cube`, and `Compute By`   |   [GROUP BY](chap-sql-server-aurora-mysql.sql.groupby.md)   | 
|  DTS  |   [ETL](chap-sql-server-aurora-mysql.management.etl.md)   | 
|  Old outer join syntax ` = ` and `=`   |   [Table JOIN](chap-sql-server-aurora-mysql.sql.tablejoin.md)   | 
|   `'String Alias' = Expression`   |   [Migration Quick Tips](chap-sql-server-aurora-mysql.tips.md)   | 
|   `DEFAULT` keyword for `INSERT` statements  |   [Migration Quick Tips](chap-sql-server-aurora-mysql.tips.md)   |