Afterwards, copy all of the tables in the result from the above query and delete them one by one. DROPTABLEIFEXISTStableOne;DROPTABLEIFEXISTStableTwo;DROPTABLEIFEXISTStableThree;DROPTABLEIFEXISTStableEtc; Reset the configuration of foreign key checking to default ...
1. Using SQL Query: Having some foreign key constraints might prevent you from executing drop table, so the first thing you should do is to temporarily disable all the foreign key constraints in order for the drop statements work: SET FOREIGN_KEY_CHECKS = 0; Then you list all the available...
Just as there are multiple types of indexes there aremultiple ways to create or add themto MySQL tables. One way is to add an index when you first create a table. Here’s a simple table containing three columns to hold the first and last name and email address of a customer. I’ve ...
MySQL INDEX can be said as a data organization in a database table that helps to progress the speed of the several operations taking place in MySQL and helps to optimize the database. We implement INDEX in MySQL to create indexes using one or multiple columns in a table database to have ...
create indexes. When you need to free up a space or change your database schema, you may start by dropping the indexes in your table. We will give the examples on how to create an index on MySQL. Furthermore, we will discuss how to drop the indexes from the MySQL table. Let’s ...
‘DROP TABLE IF EXISTS `product`;’ The steps in this process show you one thing within MySQL. If you want to get a handy PDF cheat sheet for many other features of MySQL, check it out here: Step 2: Copy and Paste The Results Into a New Window ...
Query to execute the DROP constraint in MySQL: AltertablestudentPKdropprimarykey; The above syntax changes the syntax ofstudentPkusing theAlterkeyword. Since the constraint is at table level, it is easy to drop at table level well. TheAltercommand is the best fit while changing the table’s...
CREATE PROCEDURE droptable () BEGIN DECLARE table1 CHAR(50); SET table1 = 'xx'; DROP TABLE table1; END; But Mysql interprets table1 as the tablename, not as a variable naming a table. Is there any way to drop a table named by a variable in a stored procedure ?Navigate...
| Create temporary tables | Databases | To use CREATE TEMPORARY TABLE | | Create view | Tables | To create new views | | Create user | Server Admin | To create new users | | Delete | Tables | To delete existing rows | | Drop | Databases,Tables | To drop databases, tables, and vi...
fulltext index just a type of index, so you could ALTER TABLE tableName DROP index `column_name` ; Subject Written By Posted how to drop the fulltext key in a table? William Lou March 10, 2008 01:23PM Re: how to drop the fulltext key in a table?