Search results
Nov 10, 2014 · 7. Drop will do just that....drop the table in question, unless the table is a parent to another table. Delete will remove all the data that meets the condition; if no condition is specified, it'll remove all the data in the table. Truncate is similar to delete; however, it resets the auto_increment counter back to 1 (or the initial starting ...
Sep 26, 2008 · TRUNCATE is the DDL statement whereas DELETE is a DML statement. Below are the differences between the two: As TRUNCATE is a DDL (Data definition language) statement it does not require a commit to make the changes permanent. And this is the reason why rows deleted by truncate could not be rollbacked.
May 17, 2024 · TRUNCATE TABLE TBL_ORDERS_2001 TRUNCATE TABLE TBL_ORDERS_2002 TRUNCATE TABLE TBL_ORDERS_2003 TRUNCATE TABLE TBL_ORDERS_2004 or you can use something like. select 'Truncate table ' + TABLE_NAME from INFORMATION_SCHEMA.TABLES where TABLE_NAME in ('Table1', 'Table2') Link 1. Link 2. Update: Looking at table in your Example Query in your Question
Dec 16, 2009 · There is no need to modify the query when changing databases. Just follow these steps: 1) change active database. 2) run the script. 3) copy the results 4) paste the results back into the editor 5) execute the results. All tables in the active database are now truncated. – beach.
Oct 3, 2010 · So here's one way to solve your problem using the TRUNCATE statement: Simple, fast, but unsafe solution using TRUNCATE. 1. CREATE TABLE my_table_backup AS. SELECT * FROM my_table WHERE my_date>=DATE_SUB(NOW(), INTERVAL 1 MONTH); 2. TRUNCATE my_table; 3. LOCK TABLE my_table WRITE, my_table_backup WRITE;
Login to PHPMYADMIN and click the table you want to truncate. Then go to SQL tab Place your code to truncate the table in the SQL Editor example truncate table students; Replace students with the name of the table. At the bottom of the editor untick the "Enable foreign key checks" checkbox as shown below:
Jul 20, 2013 · Truncate wont work in some cases such as , when you have index kind of things and some foreign key constraints. Easy way i suggest is. RENAME TABLE table_name TO t1; CREATE TABLE table_name LIKE t1; DROP TABLE t1; or you can also use DELETE FROM table_name; edited Jul 7, 2015 at 13:30. answered Jul 20, 2013 at 12:57.
Apr 5, 2022 · 1. You can truncate multiple partitions by listing them by name, separated by commas: ALTER TABLE <tablename> TRUNCATE PARTITION p1, p2, p3, ...; I'm afraid you will have to name them all in this statement. There is no syntax for "ALL except for a few." You can get a list of partitions: SELECT partition_name. FROM INFORMATION_SCHEMA.PARTITIONS.
This used to work before I added TRUNCATE, so after a bit of research I find that this is not supported in MySQL. The reason for this is that TRUNCATE is classified as a DDL operation, and so it doesn't use DELETE internally, it uses DROP. Alright, so I'd like to restrict this user to dropping tables (in the event of a security breach, at least ...
Nov 6, 2013 · DATE. SELECT DATE(PictureModifiedDateTime) AS FILE_DATE WHERE column = "blah". answered Nov 6, 2013 at 20:44. M Khalid Junaid.
