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You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands:  
CONFIGURE DEFAULT DEVICE TYPE TO sbt;  
CONFIGURE BACKUP OPTIMIZATION ON;  
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;  
From Monday to Saturday, you performed the following actions:  
Day                         Action 
Monday                BACKUP DATABASE 
Tuesday                BACKUP DATABASE 
Wednesday              BACKUP DATABASE 
Thursday               BACKUP DATABASE 
Friday                 BACKUP DATABASE 
Saturday               BACKUP DATABASE 
How many times will the backup of the USERS tablespace be performed?()

A .  The backup will not be performed at all.
B .  three times
C .  four times
D .  six time

高处作业时,不得将钢筋集中堆在模板和脚手架上,也不要把工具、钢箍、短钢筋随意放在脚手架上,以免() 短路。 滑下伤人。 遗忘。 丢弃。 Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?() Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_current。 Using the statement RESET PERFORMANCE CACHE。 Using the statement FLUSH PERFORMANCE CACHE。 Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_current。 Disabling and re-enabling all instruments。 Restarting Mysql。 有人说:布尔什维主义和布尔什维克党的产生,标志着与西欧社会民主党根本不同的新型的马克思主义政党的出现。这种“新型”是指()。 以实现无产阶级专政为目标。 以暴力革命为斗争手段。 以马克思主义理论为指导。 有列宁为首的坚强领导。 You want to perform a backup of your database to tape. Which backup format can you use?() backup set only。 image copy only。 only user-managed backup。 both image copy and backup set。 only incremental image copy backu。 You deployed a Java EE Shared Library and want to use it from an application that is also deployed on the same cluster.    Which two manifest attributes must be specified at a minimum with corresponding values in the deployment descriptor of the application that requires?() Implementation-Version。 Specification-Version。 Extension-Name  。 Specification-Vendor。 Implementation-Vendor。

You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday, you issued the following commands:  
CONFIGURE DEFAULT DEVICE TYPE TO sbt;  
CONFIGURE BACKUP OPTIMIZATION ON;  
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;  
From Monday to Saturday, you performed the following actions:  
Day                         Action 
Monday                BACKUP DATABASE 
Tuesday                BACKUP DATABASE 
Wednesday              BACKUP DATABASE 
Thursday               BACKUP DATABASE 
Friday                 BACKUP DATABASE 
Saturday               BACKUP DATABASE 
How many times will the backup of the USERS tablespace be performed?()

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