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在public void onCreate（SQLite Database db）方法中执行SQL语句的方法是？（）
- A、sql Able Database（）
- B、Exec SQL（）
- C、db.exec SQL（）
- D、db.exec（）
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单选题To view the results of the most recent Automatic SQL Tuning Advisor task, which sequence should you follow?（）A
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EM Database home page, Software and Support, Support Workbench, Advisor Central, SQL Advisors, Automatic SQL Tuning Advisor.D
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单选题You are designing a strategy for synchronizing a SQL Azure database and multiple remote Microsoft SQL Server 2008 databases. The SQL Azure database contains many tables that have circular foreign key relationships. You need to recommend an approach for ensuring that all changes in the remote databases synchronize with the SQL Azure database. What should you recommend？（）A
Use SQLAzure Data Sync Service.B
Use SQL Server replication.C
Use SQL Server backup and restore.D
Use SQL Server database snapshots.
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单选题Which statement correctly describes SQL and /SQL*Plus?（）A
Both SQL and /SQL*plus allow manipulation of values in the database.B
/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.C
/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.D
/SQL manipulates data and table definition in the database; /SQL* Plus does not allow manipulation of values in the database.
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单选题在public void onCreate（SQLite Database db）方法中执行SQL语句的方法是？（）A
sql Able Database（）B
Exec SQL（）C
db.exec SQL（）D
db.exec（）
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多选题Your company uses a mission-critical database named DB1, which is located on a server named SQL1. You want to mirror DB1 on a second server named SQL2. Before you can establish database mirroring, you need to prepare DB1 and the servers for mirroring. Which three actions should you perform?（）ASet the recovery model of DB1 on SQL1 to bulk-logged recovery.BSet the recovery model of DB1 on SQL1 to full recovery.CBack up DB1 on SQL1. Restore the backup on SQL2; specify the NORECOVERY option.DBack up DB1 on SQL1. Restore the backup on SQL2; specify the STANDBY option.EBack up DB1 on SQL1. Restore the backup on SQL2; specify the RECOVERY option.FCreate endpoints on all participating servers.GSet the AutoShrink property of DB1 on SQL1 to false.
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单选题You want to configure the Flashback Database feature and retain flashback logs for three days. Presently the database is open and configured in ARCHIVELOG mode. The following steps must be performed in the correct sequence to do this： 1. Set the retention target： SQL ALTER SYSTEM SET DB_FLASHBACK_RETENTION_TARGET=4320； 2. Enable Flashback Database： SQL ALTER DATABASE FLASHBACK ON； 3. Mount the database： SQL STARTUP MOUNT EXCLUSIVE 4. Shutdown the instance： SQL SHUTDOWN IMMEDIATE 5. Open the database： SQL ALTER DATABASE OPEN； Choose the correct sequence.（）A
4， 1， 3， 2， 5B
4， 3， 1， 2， 5C
2， 4， 3， 5， 1D
4， 2， 5， 3， 1
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