Out Of This World Mysql Alter Table Change Column Name
Notice that the DateOfBirth column is now of type year and is going to hold a year in a two- or four-digit format.
Mysql alter table change column name. Ad Solve Your Toughest Database Problems With SolarWinds MySQL Database Performance Monitor. Altering Changing a Column Definition or a Name To change a columns definition use MODIFY or CHANGE clause along with the ALTER command. RENAME COLUMN column 1 TO column 2.
The column is located on the table entitled Menu. ALTER COLUMN DateOfBirth year. This clause is available since MySQL version 80.
Lets illustrate its simple syntax. Use the ALTER TABLE RENAME command to rename column names. The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
Query OK 5 rows affected 038 sec Records. Ad Solve Your Toughest Database Problems With SolarWinds MySQL Database Performance Monitor. Pinpoint Problems To Find The Root Cause Of Performance Issues.
Get A Free Trial Today. The syntax requires a column definition so to leave the definition unchanged you must respecify the definition the column currently has. Get A Free Trial Today.
HERE ALTER TABLE table_name is the command that tells MySQL server to modify the table named table_name. The basic syntax used to add a column to an already existing table is shown below ALTER TABLE table_name ADD COLUMN column_name data_type. ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name.