What is the SQL command to drop a table?

What is the SQL command to drop a table?

DROP is used to delete a whole database or just a table. ... A DROP statement in SQL removes a component from a relational database management system (RDBMS). Syntax: DROP object object_name Examples: DROP TABLE table_name; table_name: Name of the table to be deleted.

Why can't I drop a table in SQL?

The reason SQL won't let you drop a table in this situation is because the allocation pages/extent chain appears to be damaged or cross-linked in some way. So SQL Server thinks that there is actually data from other tables in pages/extents belonging to the problem object.

How do you delete a table in SQL query?

Using SQL Server Management Studio

1. In Object Explorer, select the table you want to delete.
2. Right-click the table and choose Delete from the shortcut menu.
3. A message box prompts you to confirm the deletion. Click Yes. Note. Deleting a table automatically removes any relationships to it.

How do I drop all tables from database with one SQL query?

If you want to use only one SQL query to delete all tables you can use this: EXEC sp_MSforeachtable @command1 = "DROP TABLE ?" This is a hidden Stored Procedure in sql server, and will be executed for each table in the database you're connected.

Can we drop a table or column which has PRIMARY KEY?

We can remove PRIMARY KEY constraint from a column of an existing table by using DROP keyword along with ALTER TABLE statement.

What is drop table if exists?

Description. The DROP TABLE statement deletes the specified table, and any data associated with it, from the database. The IF EXISTS clause allows the statement to succeed even if the specified tables does not exist.

Can we delete a table using delete command?

The drop table command is used to delete a table and all rows in the table. To delete an entire table including all of its rows, issue the drop table command followed by the tablename. drop table is different from deleting all of the records in the table.

Which statement is used to delete a table?

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.

How do I delete query in SQL?

• To permanently delete a query From the View menu, choose Solution Explorer. In Solution Explorer, select the query you want to permanently delete. Right-click the query and from the shortcut menu, click Remove. In the Microsoft SQL Server Management Studio dialog box, click Delete.

What is permission required to drop table?

• 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. Create Index: Requires ALTER permission on the table or view. User must be a member of the sysadmin fixed server role or the db_ddladmin and db_owner fixed database roles.

What's the difference between truncate and delete in SQL?

• Key Differences Between DELETE and TRUNCATE in SQL. The main difference between DELETE and TRUNCATE is that using DELETE you can delete specified tuple from a relation. But the use of TRUNCATE will delete entire tuples from a relation. DELETE is DML command whereas, TRUNCATE is DDL command.

How do I delete a table in SQL Server?

• Using SQL Server Management Studio. To delete a table from the database. In Object Explorer, select the table you want to delete. Right-click the table and choose Delete from the shortcut menu. A message box prompts you to confirm the deletion.