A WHERE clause can be used to restrict both rows and groups.
A WHERE clause can be used to restrict rows only.
A HAVING clause can be used to restrict both rows and groups.
A HAVING clause can be used to restrict groups only.
A WHERE clause CANNOT be used in a query of the query uses a HAVING clause.
A HAVING clause CANNOT be used in subqueries.
第1题:
A. AH provides data integrity.
B. AH is identified by IP protocol 50.
C. AH is identified by IP protocol 51.
D. AH cannot work in conjunction with ESP
第2题:
Which of the following statements could be true about a server overheating?()
第3题:
A、It is a small sensory organ, which is located toward the front of the vulva where the folds of the labia join
B、It is a female’s external reproductive organ
C、It is a muscular, hollow tube that extends from the vaginal opening to the uterus
D、It is shaped like an upside-down pear, with a thick lining and muscular walls
第4题:
Which two statements about VPLS are true? ()
第5题:
Which two statements are true about traffic shaping?()
第6题:
A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.
第7题:
Which two statements are true about L2TP tunnels?() (Choose two.)
第8题:
A. PAT is not supported.
B. PAT is enabled by default.
C. It supports the address-persistent configuration option.
D. It supports the junos-global configuration option.
第9题:
Which two statements about the Cisco Nexus 1000V VSM are true?()
第10题:
Which two statements are true about pool-based source NAT? ()(Choose two.)