单项选择题

Examine the statement:
DROP TABLESPACE IND2 
INCLUDING CONTENTS 
AND DATAFILES;  
What is the result of the statement?()

A.A
B.B
C.C
D.D

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热门 试题

单项选择题
Consider this syntax:   MERGE INTO t1  USING t2 ON (join predicate)…..   What does the MERGE syntax do?()

A.It performs a merge join of the row from T2 only if it doesn’t exist in the T1 table. 
B.It creates a natural join of tables T1 and T2 for all columns that have the same name. 
C.It creates a Cartesian product of table T1 and table T2 for all columns that have the same name. 
D.For each row from T2, it updates the row if it exists within table T1, otherwise it inserts the row into T1.

多项选择题
WhichtwodatatypescanbeconvertedtoLOBsusinganALTERTABLE…MODIFYcommand?()

A.RAW
B.LONG
C.VARCHAR
D.LONG RAW

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