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Sep 29, 2012 · 44. The MySQL syntax for RENAME TABLE statement is the following: RENAME TABLE <old_table_name> TO <new_table_name>. In your query, you've used group which is one of the keywords in MySQL. Try to avoid MySQL keywords for names while creating tables, field names and so on. edited Oct 7, 2021 at 2:44. informatik01.
4. Changing name in MySQL we have to use "ALTER" table command followed by "CHANGE". Below is the query. ALTER TABLE tablename CHANGE COLUMN oldcolname newcolname datatype; ALTER TABLE tablename CHANGE oldcolname newcolname datatype; PS- You can add "COLUMN" word or ignore in the query. It will work same.
Well there are 2 methods: Method 1: A well-known method for renaming database schema is by dumping the schema using Mysqldump and restoring it in another schema, and then dropping the old schema (if needed). From Shell. mysqldump emp > emp.out. mysql -e "CREATE DATABASE employees;" mysql employees < emp.out.
Feb 14, 2012 · SELECT DATABASE() INTO @db_name; SELECT Count(*) INTO @exists FROM information_schema.tables. WHERE table_schema = @db_name. AND table_type = 'BASE TABLE'. AND TABLE_NAME = tbl; IF @exists > 0 THEN. SET @dropToTbl = CONCAT("DROP TABLE IF EXISTS ", toTbl); PREPARE dropToTbl FROM @dropToTbl; EXECUTE dropToTbl; SET @renameTbl = CONCAT("RENAME ...
mysql_query("ALTER TABLE table_name RENAME TO new_table_name"); Share. Improve this answer. Follow ...
May 20, 2009 · 0. SQL Server table name can be changed in two ways. Execute the below query, by using the system stored procedure sp_rename. EXEC sp_rename 'dbo.old_table_name','new_table_name'; Open SSMS and expand the database folder. Right-click on a table and click Rename. Enter a new name by over writing on existing name and then Go to the file menu and ...
Sep 23, 2009 · Earlier versions of MySQL, e.g. 5.6 and earlier, support no syntax in ALTER TABLE to rename an index (or key, which is a synonym). The only solution was to ALTER TABLE DROP KEY oldkeyname, ADD KEY newkeyname (...). There is no ALTER INDEX command in MySQL. You can only DROP INDEX and then CREATE INDEX with the new name.
753. Lone Ranger is very close... in fact, you also need to specify the datatype of the renamed column. For example: ALTER TABLE `xyz` CHANGE `manufacurerid` `manufacturerid` INT; Remember : Replace INT with whatever your column data type is (REQUIRED) Tilde/ Backtick (`) is optional. edited Nov 3, 2016 at 21:53.
To rename a table in SQL Server, use the sp_rename command: One more thing: if any of the table names has a . in them, use [] around the table name. (I know, I know, but dots can happen...) E.g. sp_rename '[Stupid.name]', 'NewName' or with schema sp_rename '[dbo.Stupid.name]', 'NewName'.
Mar 9, 2016 · If there are no FK references to the table you wish to change then it is possible to just hand edit the resulting dump file: CREATE TABLE `old_table_name` Becomes. CREATE TABLE `new_table_name` My recommendation would be to dump the data, re-import it into your new database, then run the alters to rename your table.
