48. Given the following DDL statements: CREATE TABLE person OF person_t (REF IS OID USER GENERATED) CREATE TABLE emp OF emp_t UNDER person INHERIT SELECT PRIVILEGES CREATE TABLE student OF student_t UNDER person INHERIT SELECT PRIVILEGES Which of the following will drop all tables associated with the hierarchy?
57. Given the following table definition: CREATE TABLE smarterer_list (empid INTEGER, points INTEGER CONSTRAINT chk CHECK (points <= 100) NOT ENFORCED ) and the statement: INSERT INTO smarterer_list VALUES (98, 100), (123,123), (101, 98) How many records will be retrieved by the following statement? SELECT * FROM smarterer_list
60. DB2 Enterprise Server Edition (ESE) is running on Linux and needs to validate the userids and passwords on the z/OS server for the DB2 clients connecting to DB2 for z/OS. Which of the following authentication levels satisfies this while providing authentication for other DB2 clients at the DB2 ESE server?