Command to modify table name in sql

Use the ALTER TABLE statement in SQL to modify the table name. The steps are as follows: 1) Confirm permissions; 2) Write the statement (ALTER TABLE RENAME TO ); 3 ) executes the statement. Note: The original table must exist, and the new table cannot already exist. Modification may affect dependencies. When the table name contains special characters, a reference identifier must be added.

SQL modify table name command

In SQL, you can use the ALTER TABLE statement to modify the table name. The syntax is as follows:

ALTER TABLE <原表名> RENAME TO <新表名>;

Use steps

1. Confirm permissions: Make sure you have sufficient permissions on the original table, including renaming the table permission.
2. Write statements: Write ALTER TABLE statements according to the above syntax.
3. Execute the statement: Execute the statement in the SQL command prompt or tool.

Notes

• The original table does not exist: If the original table does not exist, the rename operation will fail.
• New table already exists: The rename operation will also fail if the target new table already exists.
• Dependencies: If the original table has dependencies on other objects (such as constraints, indexes, views, etc.), the rename operation may affect the validity of these dependencies.
• Use quoted identifiers: If the table name contains special characters or reserved words, it must be enclosed in quoted identifiers (such as double quotes or square brackets).

Example

To change the table name old_table to new_table, you can use the following statement:

ALTER TABLE old_table RENAME TO new_table;

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