单项选择题X 纠错
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.
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单项选择题
A.Cluster
B.Database link
C.Mapping table
D.Materialized view
单项选择题
A.when multiple databases are to be registered with the listener
B.when DBAs need to connect remotely to start up the database instance
C.when users need to connect the database instance using the host naming method
D.when the database instance that is to be registered with the listener is configured in shared server mode
多项选择题
A.The ORCL instance is registered dynamically with the listener.
B.The ORCL instance is registered statically in the listener.ora file.
C.The number of current client connections handled by the service handler is two.
D.The total number of client connections handled so far by the service handler is two.
单项选择题
A.The sessions are able to perform only queries.
B.The sessions are not affected and continue to function normally.
C.The sessions are terminated and the active transactions are rolled back.
D.The sessions are not allowed to perform any operations till the listener is started.
单项选择题
A.The listener is not running on the database node.
B.The TNS_ADMIN environmental variable is set to a wrong value.
C.The orcl.oracle.com database service is not registered with the listener.
D.The DEFAULT_DOMAIN parameter is set to a wrong value in the sqlnet.ora file.
单项选择题
A.host naming method
B.local naming method
C.external naming method
D.directory naming method
多项选择题
A.Listeners use only the TCP/IP protocol.
B.Multiple listener processes can run simultaneously on a host.
C.Multiple database instances can be registered with a single listener.
D.The listener-related errors can be traced only at the administrative level.
E.Only one database instance can be registered with a single listener at any time.
多项选择题
A.granting SELECT privilege to SMITH on V$SESSION
B.granting SELECT privilege to SMITH on V_$SESSION
C.asking the user SMITH to run the catalog.sql script
D.granting SELECT privilege to SMITH on V$FIXED_TABLES
E.setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE
F.creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
单项选择题
A.1 and 3
B.2,3,and 5
C.1,2,and 3
D.2,3,4,and 5
多项选择题
A.Running a query on a table returns "ORA-600: Internal Error."
B.Inserting a value in a table returns "ORA-01722: invalid number."
C.Creating a table returns "ORA-00955: name is already used by an existing object."
D.Inserting a value in a table returns "ORA-00001: unique constraint (SYS.PK_TECHP) violated."
E.Rebuilding an index using ALTER INDEX ...REBUILD fails with an error "ORA-01578: ORACLE data block corrupted (file # 14, block # 50).