单项选择题

A.The command fails as a transaction is still pending.B……

Which statement is true regarding the effect of this command on the transaction in Scott’s session（）

A.The command fails as a transaction is still pending.
B.The transaction in Scott’s session is rolled back and the tablespace becomes read-only.
C.The command waits and the user SCOTT can execute data manipulation language （DML） statements only as part of the current transaction.
D.The command hangsuntil all transactions on the objects in the tablespace commit or rollback， and then the tablespace is placed in read-only mode.

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热门试题

多项选择题WhichtablespacesaremandatoryinanOracledatabaseforittobeoperational（）

A.Undo tablespace
B.USERS tablespace
C.SYSAUX tablespace
D.SYSTEM tablespace
E.Temporary tablespace

多项选择题Identifytwosituationsinwhichtheblockheadergrowsinadatablock.（）

A.when row directories need more row entries
B.when there is row migration in the data block
C.when there is an increase in the PCTFREE value for the data block
D.when more transaction slots are required than are initially configured

多项选择题Whichtwostatementsaretrueregardingatablespace（）

A.It can span multiple databases.
B.It can consist of multiple data files.
C.It can contain blocks of different sizes.
D.It can contain segments of different sizes.
E.It can contain a part of a nonpartitioned segment.

单项选择题Your database is configured in shared server mode. However， your senior DBA asks you to modifythe value of the PRIVATE_SGA limit in the profile of the users. What could be the reason for this（）

A.to limit the User Global Area （UGA） memory allocated to a session from the SGA
B.to limit the amount of memory to be used for the dispatcher queue of a session in SGA
C.to limit the amount of memory to be used for the request pool in System Global Area （SGA）
D.to control the amount of memory allocated in SGA for the local variables for each shared server process

单项选择题Your database instance is currently configured to support 1，500 connections. The Web applicationthat uses the database allows a large number of users to work with the database simultaneously. Someusers of the Web application do not interact with the server all the time. You want to increase the scalability by configuring the database instance to handle more connections. Asa DBA， which configuration would you set to support more than 1，500 connections at a time（）

A.You would configure more listeners for the database.
B.You would configure the database in shared server mode to use the connection pooling feature.
C.You would increase the value of the PGA_AGGREGATE_TARGET initialization parameter that assigns more session memory to users.
D.You would decrease the value of the PRIVATE_SGA resource limit in the profiles used by the users to accommodate more session information.