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Sep 29, 2012 · 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.
You can use the RENAME COLUMN in MySQL 8.0 to rename any column you need renamed. ALTER TABLE table_name RENAME COLUMN old_col_name TO new_col_name; ALTER TABLE Syntax: RENAME COLUMN: Can change a column name but not its definition. More convenient than CHANGE to rename a column without changing its definition.
Rename the tables from old schema to new schema, using MySQL’s “RENAME TABLE” command. Drop the old database schema. If there are views, triggers, functions, stored procedures in the schema, those will need to be recreated too. MySQL’s “RENAME TABLE” fails if there are triggers exists on the tables.
Feb 14, 2012 · DELIMITER $$ IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = database() AND TABLE_NAME = 'oldname') THEN RENAME TABLE oldname to newname; END if; $$ DELIMITER ; You can even further create a function if you want to reuse it
The mysql query for rename table is RENAME TABLE old_name TO new_name. Share. Improve this answer. Follow ...
Sep 23, 2009 · The content of the table remains unchanged. old_index_name must be the name of an existing index in the table that is not dropped by the same ALTER TABLE statement. new_index_name is the new index name, which cannot duplicate the name of an index in the resulting table after changes have been applied. Neither index name can be PRIMARY. Earlier ...
Mar 1, 2012 · How to Rename a Table in MySQL. 1. Rename Mysql Table name with concat. 0. SQL table name with spaces. 4.
Feb 8, 2013 · ALTER TABLE t1 CHANGE a b BIGINT NOT NULL. MODIFY. Can change a column definition but not its name ALTER TABLE t1 MODIFY b INT NOT NULL. RENAME COLUMN (from MySQL 8.0) Can change a column name but not its definition ALTER TABLE t1 RENAME COLUMN b TO a
Use below stored procedure :: DELIMITER $$ CREATE. PROCEDURE `Rename_Tables`() BEGIN DECLARE done INT DEFAULT FALSE; DECLARE tableName VARCHAR(50); DECLARE newTableName VARCHAR(70); DECLARE t_query VARCHAR(500); DECLARE cur1 CURSOR FOR SELECT table_name FROM information_schema.tables WHERE table_name LIKE '%table_test' AND table_schema='test' ; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; OPEN cur1; read_loop: LOOP FETCH cur1 INTO tableName; IF done THEN LEAVE read_loop; END IF ...
Once found check the name of the table for this record under the column name 'Table'. If it matches the name of the table you want, then note down the name of the foreign key from the column named 'Name'. Now execute the query : ALTER table tableNamexx DROP KEY foreignKeyName; Now you can execute the drop statement which shall execute successfully.
