I am looking something similar to this. When sql server drops a table it also deletes all data triggers constraints permissions of that table.
Mysql How To Drop Table If Exists In Database Sql Authority
Drop table cannot be used to drop a table that is referenced by a foreign key constraint.
Sql server drop table if exists. Pre compiled code that. Abdallah el chal pmp itil mcts here is one way if objectidtablename u is not. By adding if exists to the drop statement you can drop the object only when it exists in the database.
Sql server sql server 2016 13x through current version. Sql server 2016 edition has included an awe inspiring feature in database engine that is drop if exists along with a bunch of superior features. Schemaname is the name of the schema to which the table belongs.
Moreover sql server does not explicitly drop the views and stored procedures that reference the dropped table. If objectiddboproduct u is not null. In sql server 2016 microsoft introduced diy or drop if exists functionality.
Drop if exists statement in sql server 2016 in sql server 2016 if exists is the new optional clause introduced in the existing drop statement. Conditionally drops the table only if it already exists. Provide backward compatibility for tables that have changed.
Indexing a view makes it materialized physical for speed. If exists applies to. Option drop if exists is used when we need to verify if an object exists in a database before creating dropping it.
What is the best way to drop a temp table if it exists. You can use drop if exists to drop any temporary table as well if it exists. Tablename is the name of the table to be removed.
Sql server drop view if exists abstract underlying tables so that users can only see certain columns. If exists select top 1 from tablename then drop tablename else end thank you here is one way if objectidtablename u is not null drop table tablename. The if exists clause conditionally removes the table if it already exists.
In sql server 2016 ctp3 objects can die drop if exists do you like to write following conditional drop statements. When adding if exists to the drop statement it will drop the object only when it exists in the database else it will continue executing the next statement without throwing any error. Basically it checks the existence of the object if the object does exists it drops it and if it doesnt exists it will continue executing the next statement in the batch.
Finally in sql server 2016 microsoft introduced an if exists optional class to the drop statement. Security can be placed on view to restrict users.
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