![]() |
Table Maintenance |
Table maintenance consists of reviewing or changing its aspects. This includes reviewing the list of tables of a database, renaming a table, or deleting it.
To see the list of tables of a database in the Enterprise Manager, in the left frame, you can click the Tables:
To see the list of tables of a database using SQL, in a Query window of the SQL Query Analyzer, after specifying the database, execute sp_help (it is a stored procedure). Here is an example: |
Renaming a Table |
If you find out that the name of a table is not appropriate, you can change it. To change the name of a table in the Enterprise Manager, in the right frame, right-click the table and click Rename. Type the desired name and press Enter. To change the name of a table with code, execute sp_rename, followed by the current name of the table, a comma, and the new desired name of the table. Here is an example: sp_rename 'StaffMembers', 'Employees' GO In this case, the interpreter would look for a table named StaffMembers in the current or selected database. If it find it, it would rename it Employees. |
Deleting a Table |
If you have an undesired table in a database, you can remove it. To delete a table in the Enterprise Manager, in the right frame, right-click it and click Delete. You will receive a warning give you a chance to confirm your intentions. If you still want to remove the table, select it in the list and click Drop All. To delete a table using SQL code, use the following formula: DROP TABLE TableName The DROP TABLE expression is required and it is followed by the name of the undesired table. When you execute the statement, you will not receive a warning before the table is deleted. |
|
||
Previous | Copyright © 2004-2012, FunctionX | Next |
|