We have to underline one point about this statement; it works on SQL Server 2016 or the higher version of the SQL Server. DROP [TEMPORARY] TABLE [IF EXISTS] TableName. If we are using SQL Server 2015 or earlier than we need to execute the following bunch of code. This operation cannot be rolled back in MySQL, but it can in Oracle, SQL Server, and PostgreSQL. SQL Server Drop table if exists. Old method: Prior to SQL Server using drop if exits on database objects. You have to either drop the child tables before removing the parent table, or remove foreign key constraints.. DROP IF EXISTS is only available from SQL Server 2016 onwards. The following SQL deletes the "ContactName" column from the "Customers" table: In SQL Server, DROP TABLE requires ALTER permission in the schema to which the table belongs; MySQL requires the DROP privilege; Oracle the requires the DROP ANY TABLE privilege. DROP TABLE requires ALTER permission on the schema to which the table belongs, CONTROL permission on the table, or membership in the db_ddladmin fixed database role. In my earlier article, Difference between SQL Truncate and SQL Delete statements in SQL Server, we explored to delete data from an existing data.We might delete whole data using both SQL Delete and SQL Truncate statements. This article provides a Transact-SQL script to drop foreign keys that can be helpful when you do not need to drop the child tables.Last Update: Microsoft SQL Server 2012 This article gives an overview of the SQL DROP TABLE statement to remove one or more tables from a database. DROP TABLE IF EXISTS statement checks the existence of the table, and if the table exists, it drops. go hth, -Steven Gott. The SQL Server (Transact-SQL) DROP TABLE statement allows you to remove or delete a table from the SQL Server database. In SQL Server, you cannot drop a table if it is referenced by a FOREIGN KEY constraint. The DROP COLUMN command is used to delete a column in an existing table.. go. Examples of using DROP TABLE IF EXISTS Example 1 - Deleting a table using DROP TABLE with the IF EXISTS clause This SQL Server tutorial explains how to use the DROP TABLE statement in SQL Server (Transact-SQL) with syntax and examples. The TEMPORARY keyword can be used in MySQL to specify that only a temporary table can be deleted. DROP COLUMN. This will work: USE dbname GRANT CREATE TABLE TO username EXECUTE AS USER = 'username' go CREATE TABLE T1 (c1 int) go REVERT. " GRANT DROP TABLE TO username" because DROP is not grantable. NOTE − You should be very careful while using this command because once a table is deleted then all the information available in that table will also be lost forever.. Syntax. The t.Ordinal value will slice the tables into dependency layers.. WITH TablesCTE(SchemaName, TableName, TableID, Ordinal) AS ( SELECT OBJECT_SCHEMA_NAME(so.object_id) AS SchemaName, OBJECT_NAME(so.object_id) AS TableName, so.object_id AS TableID, 0 AS Ordinal FROM sys.objects … EXECUTE AS USER = 'username' go DROP TABLE T1 . In my earlier post, SQL SERVER – How to DELETE Multiple Table Together Via SQL Server Management Studio (SSMS)?I showed you how to DROP Statement multiple tables together using a wizard in SQL Server Management Studio (SSMS). No triggers are fired when executing DROP TABLE. Lots of developers are not aware that they can do it using single DROP statement. The SQL DROP TABLE statement is used to remove a table definition and all the data, indexes, triggers, constraints and permission specifications for that table.. MySQL. go REVERT. The prior method of dropping a table is as follows. Using the DROP IF EXISTS method before SQL Server 2016 required writing lengthy IF statement wrappers code. 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