![]() This example shows how to remove the vehicleCondition column from the vehicles table: ALTER TABLE vehiclesĬode language: SQL (Structured Query Language) ( sql ) MySQL ALTER TABLE – Rename table Second, specify the name of the column that you want to drop after the DROP COLUMN keywords.First, specify the name of the table that you want to drop a column after the ALTER TABLE keywords.To drop a column in a table, you use the ALTER TABLE DROP COLUMN statement: ALTER TABLE table_name Let’s review the column list of the vehicles table: DESCRIBE vehicles Code language: SQL (Structured Query Language) ( sql ) MySQL ALTER TABLE – Drop a column The following example uses the ALTER TABLE CHANGE COLUMN statement to rename the column note to vehicleCondition: ALTER TABLE vehiclesĬHANGE COLUMN note vehicleCondition VARCHAR( 100) NOT NULL Third, use the FIRST or AFTER column_name option to determine the new position of the column.Second, specify the column name and the new name followed by column definition after the CHANGE COLUMN keywords.First, specify the name of the table to which the column belongs.To rename a column, you use the following statement: ALTER TABLE table_nameĬHANGE COLUMN original_name new_name column_definition Third, show the new column list of the vehicles table to verify the modifications: MySQL ALTER TABLE – Rename a column in a table Second, modify the color column by setting the maximum length to 20, removing the NOT NULL constraint, and changing its position to appear after the make column. ![]()
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