Subqueries can contain GROUP BY and ORDER BY clauses
Main query and subquery can get data from different tables
Main query and subquery must get data from the same tables
Subqueries can contain ORDER BY but not the GROUP BY clause
Only one column or expression can be compared between the main query and subquery
Multiple columns or expressions can be compared between the main query and subquery
第1题:
A. A DBA can check specific tables with the DMU
B. The database to be migrated must be opened read-only.
C. The release of the database to be converted can be any release since 9.2.0.8.
D. The DMU can report columns that are too long in the converted characterset.
E. The DMU can report columns that are not represented in the converted characterset.
第2题:
Which two statements are true regarding the USING clause in table joins?()
第3题:
Which of the statements regarding benefit-cost analysis in the Special window are true?
A . 1 and 2
B . 2 and 3
C . 1 and 3
D . 1, 2 and 3
E . None of the above.
第4题:
Which three statements about subqueries are true?()
第5题:
Which statement is true regarding the INTERSECT operator?()
第6题:
A. Tunnels are initiated by the LAC
B. Tunnels are initiated by the LNS
C. By default, subscriber authentication occurs on the LNS
D. By default, subscriber authentication occurs on the LAC
第7题:
Which of the following statements is true regarding the VERSIONS BETWEEN clause?()
第8题:
134 Which of the statements regarding benefit-cost analysis in the Special window are true?
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
E. None of the above
第9题:
Which three statements are true regarding subqueries?()
第10题:
Which two statements are true regarding L2TP? ()(Choose two.)