IBM DB2 9.7 Advanced DBA for LUW : C2090-544

提供3種版本的C2090-544-DB2 9.7 Advanced DBA for LUW題庫下載滿足客戶的所需

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最新的 DB2 C2090-544 免費考試真題:

1. What steps, in the correct order, are performed by the SQL and XQuery compilers to generate executable code for non-federated queries?

A) parse query; check semantics; rewrite query; build access plan
B) check semantics; parse query; build access plan; pushdown predicates; execute access plan
C) check semantics; parse query; rewrite query; build access plan
D) parse query; rewrite query; check semantics; pushdown predicates; execute access plan

2. While attempting to establish connectivity between a Windows client and a UNIX server, the following commands were issued from the Windows client:
CATALOG TCPIP NODE node001 REMOTE hostnm01 SERVER 50000;
CATALOG DATABASE samp001 AS samp001 AT NODE node001;
TERMINATE;
When trying to connect to the SAMP001 database the following error was received: SQL30061N The database alias or database name name was not found at the remote node.
The database name is not an existing database at the remote database node. The statement cannot be processed. What should be done resolve the problem?

A) Change the service name (SVCENAME) in the remote servers database configuration.
B) Add an entry into the Database Connection Services directory on the Windows client.
C) Add a Database Connection Services entry to the /etc/services file on the Windows client.
D) Match the port number in the CATALOG TCPIP NODE command with the port number in the /etc/services file on the remote server.

3. When an agent that is connected to the database finishes its work of successfully processing a query, what happens to the agent?

A) It automatically releases the database connection and returns to the pool.
B) It terminates immediately.
C) It remains active as long as the MAXAGENTS setting is not exceeded.
D) It is placed in the agent pool if the connection is terminated.

4. A partitioned instance named DB2INST1 uses the following db2nodes.cfg file:
If the CREATE DATABASE command is executed on server C, which partition will be the catalog partition?

A) 1
B) 4
C) 0
D) 6

5. Click the Exhibit button.

Refer to the table definition shown in the exhibit.
Which will improve performance based on the query SELECT c6, c9 FROM tab3 WHERE c9 = 123456?

A) CREATE INDEX idx99 ON tab3 (c6 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
B) CREATE INDEX idx98 ON tab3 (c2 ASC, c6 ASC); CREATE INDEX idx99 ON tab3 (c2 ASC, c9 ASC); RUNSTATS ON TABLE myschema.tab3;
C) CREATE INDEX idx98 ON tab3 (c6 ASC); CREATE INDEX idx99 ON tab3 (c9 DESC); RUNSTATS ON TABLE myschema.tab3;
D) CREATE INDEX idx99 ON tab3 (c2 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;

問題與答案：