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单选题
你定义了一个对象类型myOBJ，要基于该类型来创建表tab1，语句为（）。
A
CREATE TABLE tab1 OF myOBJ
B
CREATE TABLE myOBJ OF tab1
C
CREATE TABLE tab1 AS myOBJ
D
CREATE TABLE tab1 TYPE OF myOBJ
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单选题Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1, C2 and C3 together, which statement(s) will createindex(es) that will provide optimal query performance?（）A
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GRANT CREATE ANY TABLE testB
GRANT CREATE ANY TABLE TO testC
TAKE CREATE ANY TABLE TO testD
ALTER CREATE ANY TABLE TO test
考题
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GRANT ADD ON TABLE tab1 TO JohnB
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GRANT INSERT ON TABLE tab1 TO USER John
考题
单选题Which of the following statements is used to grant user TOM and Application team APPGRP the ability to add data to table TAB1?（）A
GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrpB
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考题
单选题Which of the following statements is used to prevent user TOM from adding and deleting data in table TAB1?（）A
REVOKE ADD, DELETE FROM USER tom ON TABLE tab1B
REVOKE ADD, DELETE ON TABLE tab1 FROM USER tomC
REVOKE INSERT, DELETE FROM USER tom ON TABLE tab1D
REVOKE INSERT, DELETE ON TABLE tab1 FROM USER tom
考题
单选题Given the following statements: CREATE TABLE tab1 (col1 INT); CREATE TABLE tab2 (col1 INT); CREATE TRIGGER trig1 AFTER UPDATE ON tab1 REFERENCING NEW AS new1 FOR EACH ROW MODE DB2SQL INSERT INTO tab2 VALUES(new1.col1); INSERT INTO tab1 VALUES(2),(3); What is the result of the following query? SELECT count(*) FROM tab2;（）A
3B
2C
1D
0
考题
单选题The following triggers were defined for table TAB1 in the order shown:CREATE TRIGGER trig_a AFTER UPDATE ON tab1 FOR EACH ROW UPDATE sale_tab SET sale_date = CURRENT DATE; CREATE TRIGGER trig_b AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE invoice_tab SET invoice_date = CURRENT DATE; CREATE TRIGGER trig_c AFTER UPDATE ON tab1 FOR EACH ROW UPDATE shipping_tab SET ship_date = CURRENT DATE; CREATE TRIGGER trig_d AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE billing_tab SETbilling_date = CURRENT DATE;If an event occurs that causes all of them to activate, which trigger will be activated first?（）A
TRIG_AB
TRIG_BC
TRIG_CD
TRIG_D
考题
单选题假设需要回收为用户test授予的CREATE ANY TABLE系统权限，可以使用如下（）语句。A
TAKE BACK CREATE ANY TABLE FROM testB
REVOKE CREATE ANY TABLE FROM testC
REVOKE CREATE ANY TABLE testD
TAKE BACK CREATE ANY TABLE test
考题
单选题Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1 and C2 together, which statement(s) will create index(es) that will provide optimal query performance? （）A
CREATE UNIQUE INDEX xtab1 ON tab1 (c1) include (c2)B
CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c3) INCLUDE (c2) C
CREATE UNIQUE INDEX xtab1 ON tab1 (c2, c1)D
CREATE UNIQUE INDEX xtab1 ON tab1 (c2) INCLUDE (c1）
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