TRUNCATE TABLE is similar to the DELETE statement with no WHERE clause however, TRUNCATE TABLE is faster and uses fewer system and transaction log resources. Paste all queries between these 2 lines and execute. click on 'Create a new SQL tab for executing queries'. Copy all queries from the dialog box and then close it. Removes all rows from a table without logging the individual row deletions. Then, click 'Review SQL' instead of clicking on 'Truncate' in the following window. Now we are going to delete the columns with the idpublisher=4" DELETE FROM `eli`.`publisher3` WHERE `idpublisher`='4' The structure of the data remains untouched. Locate the database name you want to use and ensure you type that name on a single line. The USE statement in MySQL allows you to select a particular database as the default. This is our table "publisher3", which we are going to use in our example to delete data MySQL Truncate table empties or clears out all the records from a table. Step 3: Once connected to the MySQL server, select the database that contains the table you want to truncate via the USE statement. Notice that if you omit the WHERE clause, all records will be deleted! SQL DELETE Syntax DELETE FROM table_name If you require removing table data along with its physical. You specify which table to delete the records from, and if required, you add a WHERE clause to specify which records to delete. The TRUNCATE statement resets the auto-increment primary key in MySQL and SQL Server databases etc. The DELETE statement is used to delete rows in a table. DELETE FROM and TRUNCATE with MySql Workbench TRUNCATE TABLE can be used with Performance Schema summary tables, but the effect is to reset the summary columns to 0 or NULL, not to remove rows. If you simply need the diskspace back quickly, you could run TRUNCATE TABLE. If such a session is an uncompleted transaction, there is where the hold up may be.
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