BEGIN 2 3 FOR i IN (SELECT table_name FROM user_tables WHERE table_name = 'SHARED_ALL' ) LOOP 4 EXECUTE IMMEDIATE 'DROP TABLE shared_all' ; 5 END LOOP; 6 7 END; 8 / PL/SQL procedure successfully completed. Viewed 21k times 0. As I have mentioned earlier, IF EXISTS in DROP statement can be used for several objects. In the above diagram, each Product contains only one brand, and each brand can have several products.Each product is assigned to a category, and each category can … ALTER TABLE … Approach 3: Check if a Table exists or Not. Parameters. It will also fail if an SQL view includes the column. Here, we are connecting to a database named sampleDB (will … DROP: The query deleted the DDL target. In this article, I will provide examples of dropping objects like database, table, procedure, view and function, along with dropping columns and constraints.Lets start with creating a database and these objects. The command will not work if there is any multiple key constraint on the column or the column is referenced in a check constraint or a foreign key. SQL> BEGIN 2 3 FOR i IN (SELECT table_name FROM user_tables WHERE table_name = 'SHARED_ALL') LOOP 4 EXECUTE IMMEDIATE 'DROP TABLE shared_all'; 5 END LOOP; 6 7 END; 8 / PL/SQL procedure successfully completed.SQL> Related examples in … BLOCKSIZE is used when writing out LOB data, and specifies the point at the values transition from being inserted as inline values, to be inserted using out-of-line commands. The exists statement can be used in a select to check if some data in a table exists. IF OBJECT_ID('TEMPDB..#SPLETEDTEMPTABLE') IS NOT NULL DROP TABLE #SPLETEDTEMPTABLE CREATE TABLE #SPLETEDTEMPTABLE(ID INT, SERVICES VARCHAR(300)) INSERT INTO #SPLETEDTEMPTABLE EXEC GET_SPLITED_TABLE 'Anil Singh … Example. 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