Oracle: If Table Exists

Question

I\'m writing some migration scripts for an Oracle database, and was hoping Oracle had something similar to MySQL\'s IF EXISTS construct.

Specifically, w

Answer 1

One way is to use DBMS_ASSERT.SQL_OBJECT_NAME :

This function verifies that the input parameter string is a qualified SQL identifier of an existing SQL object.

DECLARE
    V_OBJECT_NAME VARCHAR2(30);
BEGIN
   BEGIN
        V_OBJECT_NAME  := DBMS_ASSERT.SQL_OBJECT_NAME('tab1');
        EXECUTE IMMEDIATE 'DROP TABLE tab1';

        EXCEPTION WHEN OTHERS THEN NULL;
   END;
END;
/

DBFiddle Demo