单项选择题
Your database is not configured for session failover. Your tnsnames.ora file contains the following details：
test.us.oracle.com= （DESCRIPTION=
（ADDRESS_LIST= （LOAD_BALANCE=off）
（FAILOVER=ON）
（ADDRESS= （PROTOCOL=tcp）（HOST=test1-server）（PORT=1521））
（ADDRESS= （PROTOCOL=tcp）（HOST=test2-server）（PORT=1521）））
（CONNECT_DATA= （SERVICE_NAME=test.us.oracle.com）））
Which feature is enabled in this case？（）
A.Load balancing
B.Instance failover
C.Database failover
D.Connect-time failover
E.Transparent Application Failover （TAF）
相关考题
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单项选择题
YouwanttomovealltheobjectsoftheAPPSuserinthetestdatabasetotheDB_USERschemaoftheproductiondatabase.WhichoptionofIMPDPwouldyouusetoaccomplishthistask？（）
A.FULL
B.SCHEMAS
C.REMAP_SCHEMA
D.REMAP_DATAFILES
E.REMAP_TABLESPACE -
多项选择题
When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed： TZ set to America/New_york OC4J Configuration issue. /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found. Which two environment variables do you need to set appropriately to avoid such errors and start the Database Control successfully？（）
A.NLS_LANG
B.ORACLE_SID
C.ORACLE_HOME
D.ORACLE_BASE
E.LD_LIBRARY_PATH -
单项选择题
TheSCOTTuserhasanindexontheITEM_DESCcolumnoftheITEMtable.Aspartoftheyear-endingtask，SCOTTupdatestheITEM_DESCcolumnformostoftherowsintheITEMtable.Howdoesthischangetothetableaffecttheindex？（）
A.An update in a leaf row takes place.
B.The index becomes invalid after the update.
C.The leaf block containing the row to be updated is marked as invalid.
D.A row in the leaf block of the index for the key value is deleted and inserted.
