How do I truncate all tables in a database?

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How do I truncate all tables in a 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.

Can you truncate multiple tables in SQL?

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 clear a MySQL database?

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How to empty a MySQL database

  1. Go to cPanel >> Databases section >> phpMyAdmin menu.
  2. Select the database you wish to empty.
  3. Tick Check All to select all tables and choose the Drop option from the With selected drop-down list:
  4. This will execute the DROP TABLE SQL query to empty all the tables at once.

How do I truncate a database?

Select Database -> More Database Operations -> Truncate Database (Shift+Del) to truncate (make the tables empty) all the tables of a database (however, the Tables and other objects (Stored Procedures, Views etc.)

What is difference between truncate and delete command?

Key differences between DELETE and TRUNCATE The DELETE statement is used when we want to remove some or all of the records from the table, while the TRUNCATE statement will delete entire rows from a table. DELETE is a DML command as it only modifies the table data, whereas the TRUNCATE is a DDL command.

What is truncate table in MySQL?

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.

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What is the difference between truncate and delete?

How delete all data from table in SQL server?

Drop Tables from SQL Server Management Studio (SSMS)

  1. Expand Databases dropdown.
  2. Expand database.
  3. Expand Tables.
  4. Right click on a table name.
  5. Delete.

What is truncate in MySQL?

How do you truncate a table in SQL Server?

TRUNCATE TABLE removes all rows from a table, but the table structure and its columns, constraints, indexes, and so on remain. To remove the table definition in addition to its data, use the DROP TABLE statement.

What is select in MySQL?

MySQL – Select Query. The SQL SELECT command is used to fetch data from the MySQL database. You can use this command at mysql> prompt as well as in any script like PHP.

How do I show tables in MySQL?

To list/show the tables in a MySQL database: Log into your database using the mysql command line client Issue the use command to connect to your desired database (such as, use mydatabase) Use the MySQL show tables command, like this:

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What is truncate in SQL?

Truncate (SQL) In SQL, the TRUNCATE TABLE statement is a Data Definition Language (DDL) operation that marks the extents of a table for deallocation (empty for reuse). The result of this operation quickly removes all data from a table, typically bypassing a number of integrity enforcing mechanisms.