下列()可适用取保候审。

CY5 Europe 6 North America 7 South AmericaWhich of the following SQL statements will insert all rows found in table TAB2 into table TAB1？（）

A.INSERT INTO tab1 SELECT cx, cy FROM tab2

B.INSERT INTO tab1 VALUES (tab2.cx, tab2.cy)

C.INSERT INTO tab1 VALUES (SELECT cx, cy FROM tab2)

D.INSERT INTO tab1 (c1, c2) VALUES (SELECT cx, cy FROM tab2)

A.REVOKE ADD, DELETE FROM USER tom ON TABLE tab1

B.REVOKE ADD, DELETE ON TABLE tab1 FROM USER tom

C.REVOKE INSERT, DELETE FROM USER tom ON TABLE tab1

D.REVOKE INSERT, DELETE ON TABLE tab1 FROM USER tom

A.GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp

B.GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1

C.GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp

D.GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom

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_A

B.TRIG_B

C.TRIG_C

D.TRIG_D

Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object？（）

A.CREATE UNIQUE INDEX idx_partno ON parts(part_no)

B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)

C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)

D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)

A．0

B．1

C．2

D．3

he hr schema:$ > impdp hr/hr directory = dumpdir dumpfile = hr_new.dmp schemas=hrTRANSFORM=DISABLE_ARCHIVE_LOGGING: YWhich statement is true？（）

A. All database operations performed by the impdp command are logged.

B. Only CREATE INDEX and CREATE TABLE statements generated by the import are logged.

C. Only CREATE TABLE and ALTER TABLE statements generated by the import are logged.

D. None of the operations against the master table used by Oracle Data Pump to coordinate its activities are logged.

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