How do I truncate a table in MySQL?

How do I truncate a table in MySQL?

How to truncate MySQL tables from the CLI

1. Log in to your hosting account using SSH: mysql -u [username] -p [database_name) For example: mysql -u johndoe -p data_mysite.
2. Enter your password.
3. Execute: truncate table [table_name]

What is truncate in phpMyAdmin?

The TRUNCATE TABLE statement is used to remove all records from a table in MySQL. It performs the same function as a DELETE statement without a WHERE clause.

How do I delete a row in MySQL phpMyAdmin?

Option 1: Login to phpMyAdmin and click on the database on the left sidebar. Now phpMyAdmin will list all tables created in that particular database. To delete all records from wp_comments table, click on “Empty” link. Click OK in the alert box to delete all the comments.

How do I truncate all tables in MySQL?

How to truncate all tables in MySQL?

1. SET FOREIGN_KEY_CHECKS=0;
2. SELECT TABLE_NAME FROM information_schema.
3. TRUNCATE TABLE table1; TRUNCATE TABLE table2; TRUNCATE TABLE table3;
4. SELECT Concat(‘TRUNCATE TABLE ‘, TABLE_NAME) FROM INFORMATION_SCHEMA.
5. SET FOREIGN_KEY_CHECKS=1;

How do I force truncate a table?

delete all rows, drop the foreign keys, truncate, recreate keys. delete all rows, reset auto_increment (if used)…Option 1:

1. Remove constraints.
2. Perform TRUNCATE.
3. Delete manually the rows that now have references to nowhere.
4. Create constraints.

How do I truncate a specific column in MySQL?

SELECT Concat(‘TRUNCATE TABLE ‘, TABLE_NAME)…How to truncate all tables in MySQL?

1. TRUNCATE TABLE table_name1;
2. TRUNCATE TABLE table_name2;
3. TRUNCATE TABLE table_name3;

How do I truncate multiple tables in phpmyadmin?

To truncate multiple tables you can use T-SQL and iterate through table names to truncate each at a time. You can have all your table names comma separated in @tableList variable and yes you can truncate multiple tables from different schemas if they are prefixed.

How do I rollback a truncate table in MySQL?

Basically, use mysqlbinlog to dump the contents of that log as a SQL script, then open that script in an editor and delete everything from the TRUNCATE statement to the end. See also https://dev.mysql.com/doc/refman/5.6/en/point-in-time-recovery.html for more tips on using mysqlbinlog for recovery.

How do I delete a row from a table in MySQL workbench?

To delete rows in a MySQL table, use the DELETE FROM statement: DELETE FROM products WHERE product_id=1; The WHERE clause is optional, but you’ll usually want it, unless you really want to delete every row from the table.

How do I truncate a SQL database?

A solution that can TRUNCATE all tables

1. Create a table variable to store the constraint drop and creation scripts for the database.
2. Load the data for all tables in the database.
3. Execute a cursor to drop all constraints.
4. Truncate all tables.
5. Recreate all the constraints.