單項選擇題

Within the application MY_APP the following PREVIOUS VALUE expression references the sequence MY_SEQ: PREVIOUS VALUE FOR my_seq After which of the following events will the most recently generated value of MY_SEQ persist so that it can be returned to the active MY_APP application?（）

A.After a ROLLBACK is issued
B.After the sequence is altered
C.After the sequence is dropped
D.After the current session ends

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單項選擇題

Given the following ALTER SEQUENCE statement: ALTER SEQUENCE myseq RESTART WITH 0 INCREMENT BY 1 NO MAXVALUE CACHE 5 ORDER Assuming that the sequence had reached a value of 100 prior to the RESTART, which of the following is true?（）

A.The next value will be 0 and the sequence will never use the values 101 to 105.
B.The next value will be 101 to ensure uniqueness between existing and newly generated sequence values.
C.Previously cached values are retained by DB2, and after the restart, will be used for values 101 to 105.
D.The next value will be 0 and DB2 will not ensure uniqueness between existing and newly generated values.

單項選擇題

A DRDA host database resides on a z/OS or an i5/OS system and listens on port 446. The TCP/IP address for this system is 192.168.10.1 and the TCP/IP host name is myhost. Which of the following commands is required to update the local node directory so that a DB2 client can access this DRDA database?（）

A.CATALOG TCPIP NODE myhost REMOTE db2srv SERVER 446
B.CATALOG TCPIP NODE mydb2srv REMOTE myhost SERVER 446
C.CATALOG TCPIP NODE myhost REMOTE db2srv SERVER 192.168.10.1
D.CATALOG TCPIP NODE mydb2srv REMOTE myhost SERVER 192.168.10.1

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Within the application MY_APP the following PREVIOUS VALUE expression references the sequence MY_SEQ: PREVIOUS VALUE FOR my_seq After which of the following events will the most recently generated value of MY_SEQ persist so that it can be returned to the active MY_APP application?（）

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Given the following ALTER SEQUENCE statement: ALTER SEQUENCE myseq RESTART WITH 0 INCREMENT BY 1 NO MAXVALUE CACHE 5 ORDER Assuming that the sequence had reached a value of 100 prior to the RESTART, which of the following is true?（）

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