Which key represents the relationship between 2 tables? O a. Foreign key O b. Primary key O c. Secondary Key O d. Unique Which table is used to view all constraints created on a user table? a. USER table O b. USER_CONSTRAINTS table O c. PRIMARY table O d. FOREIGN table Identify the SQL statement used to add a new record to the table. a. CREATE O b. INSERT O C. ALTER O d. UPDATE Choose the correct output for the given SQL Query. SELECT LPAD ("Ahad', 6.,'*')FROM DUAL; *kkkkk a. O b. **Ahad O c. *Ahad* O d. Ahad** Identify the DML statement used to retrieve and display records from table. O a. INSERT O b. SELECT O C. DELETE O d. UPDATE