How do I drop a temp table in SQL?

How do I drop a temp table in SQL?

Using the DROP TABLE command on a temporary table, as with any table, will delete the table and remove all data. In an SQL server, when you create a temporary table, you need to use the # in front of the name of the table when dropping it, as this indicates the temporary table.

Do you need to drop temp tables?

If you are wondering why it is not required to drop the temp table at the end of the stored procedure, well, it is because when the stored procedure completes execution, it automatically drops the temp table when the connection/session is dropped which was executing it.

How do you delete a temp table that exists?

Consider using the following pattern: BEGIN TRANSACTION; CREATE TABLE #Results; …; DROP TABLE #Results; COMMIT . If the transaction succeeds, the table will be removed. If it fails, the table will be gone as well (since it was created within the transaction). In any case: No need to check if the table already exists.

Are temp tables automatically dropped SQL?

Temporary tables are automatically dropped when they go out of scope, unless explicitly dropped by using DROP TABLE: A local temporary table created in a stored procedure is dropped automatically when the stored procedure is finished.

What happens if temp table is not dropped?

Local temp tables are only available to the session in which they are created; if not explicitly dropped, will be discarded when the session that created them is closed.

What statement deletes the table and also the data within it?

The DELETE statement is used to delete existing records in a table.

How long does a temp table last in SQL?

Local temporary tables are deleted after the user disconnects from the instance of SQL Server. Global temporary tables are visible to any user and any connection after they are created, and are deleted when all users that are referencing the table disconnect from the instance of SQL Server.

Do temp tables make your code cleaner and faster?

The reason, temp tables are faster in loading data as they are created in the tempdb and the logging works very differently for temp tables. All the data modifications are not logged in the log file the way they are logged in the regular table, hence the operation with the Temp tables are faster.

What is DROP TABLE SQL?

The SQL DROP TABLE Statement. The DROP TABLE statement is used to drop an existing table in a database.

Which one is better table variable or temp table?

So table variable is faster then temporary table. ⇒ Temporary tables are allowed CREATE INDEXes whereas, Table variables aren’t allowed CREATE INDEX instead they can have index by using Primary Key or Unique Constraint.