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May 23, 2017 · 16. If you are using an SQL script when you are creating your database and have any users created by your script, you need to drop them too. Lastly you need to flush the users; i.e., force MySQL to read the user's privileges again. -- DELETE ALL RECIPE. drop schema <database_name>; -- Same as `drop database <database_name>`.
Feb 13, 2014 · Follow the following steps to delete database in PhpMyAdmin. Select your database. Choose the "Operations" tab. On this page under remove database, you will find a "Drop the database (DROP)" Hope this helps. answered Apr 1, 2020 at 16:27. Rajneesh Shukla.
Aug 8, 2013 · 11. No need for mysqladmin: just use mysql command line. mysql -u [username] -p[password] -e 'drop database db-name;'. This will send the drop command although I wouldn't pass the password this way as it'll be exposed to other users of the system via ps aux. answered Jul 26, 2013 at 21:17.
Mar 28, 2018 · 2) add a constraint on the duplicated columns AND the new column. alter table mytable add constraint preventdupe unique (mycol1, mycol2, tokeep); 3) set the boolean column to true. This will succeed only on one of the duplicated rows because of the new constraint. update ignore mytable set tokeep = true;
Mar 10, 2014 · The following command drops all databases in the mysql dbms except mysql, information_schema and performance_schema dbs. mysql -uroot -p<password> -e "show databases" | grep -v Database | grep -v mysql| grep -v information_schema| gawk '{print "drop database `" $1 "`;select sleep(0.1);"}' | mysql -uroot -p<password>.
2. TRUNCATE TABLE table_name. Is a DDL (Data Definition Language), you can delete all data and clean identity. If you want to use this, you need DDL privileges in table. DDL statements example: CREATE, ALTER, DROP, TRUNCATE, etc. DELETE FROM table_name / DELETE FROM table_name WHERE 1=1 (is the same) Is a DML (Data Manipulation Language), you ...
The quick fix is to add SET SQL_SAFE_UPDATES=0; before your query : SET SQL_SAFE_UPDATES=0; Or. close the safe update mode. Edit -> Preferences -> SQL Editor -> SQL Editor remove Forbid UPDATE and DELETE statements without a WHERE clause (safe updates) . BTW you can use TRUNCATE TABLE tablename; to delete all the records .
Dec 20, 2012 · Note that the COLUMN keyword is optional, as MySQL will accept just DROP IsDeleted. Also, to drop multiple columns, you have to separate them by commas and include the DROP for each one. ALTER TABLE tbl_Country. DROP COLUMN IsDeleted, DROP COLUMN CountryName; This allows you to DROP, ADD and ALTER multiple columns on the same table in the one ...
Mar 1, 2010 · The accepted answer is not always correct. If you configure binary logging on MySQL, you can rollback the database to any previous point you still have a snapshot and binlog for. 7.5 Point-in-Time (Incremental) Recovery Using the Binary Log is a good starting point for learning about this facility.
Feb 28, 2012 · Here is an Example: If you want to delete entries that are more than 30 days old from some table 'tableName', having column entry 'datetime'. Then following query runs every day which will do required clean-up action. -- You first have to set the scheduler active if it is not already. SET @@GLOBAL.event_scheduler = ON;
