单项选择题
You are maintaining your OLTP database in Oracle10g. You have not set the warning level and critical level threshold values for space usage of the DATA1 tablespace. What will be the impact？（）
A. No warning level or critical level alert will be generated.
B. A warning level alert will never be generated， but a critical level alert will be generated when 97 percent space of the DATA1 tablespace is used.
C. A critical level alert will never be generated， but a warning level alert will be generated when 85 percent space of the DATA1 tablespace is used.
D. A warning level alert will be generated at 85 percent space usage of the DATA1 tablespace， and a critical level alert is generated at 97 percent space usage of the DATA1 tablespace.
相关考题
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单项选择题
You issued the following statement to monitor the usage of the index： SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE； Which view will you query to ensure that the index is being monitored？（）
A. INDEX_STATS
B. DBA_INDEXES
C. DBA_IND_COLUMNS
D. V$OBJECT_USAGE -
单项选择题
You discover an out-of-space condition in the database. You decide to suspend a session for five minutes. You issue the following command to suspend the session： ALTER SESSION ENABLE RESUMABLE； Which command could you issue to enable the resumable space allocation feature at the session level？（）
A. ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 5；
B. ALTER SYSTEM ENABLE RESUMABLE_TIMEOUT = 5；
C. ALTER SESSION ENABLE RESUMABLE_TIMEOUT = 300；
D. ALTER SYSTEM ENABLE RESUMABLE TIMEOUT = 300； -
单项选择题
YouareusingOracleEnterpriseManagertoestimatethesizeofatabletobecreated.Youhavetypeddataregardingthecolumnnames，datatypes，sizesofthecolumns，andtheprojectednumberofrowsinthetable.WhichadditionalinformationdoestheOracleEnterpriseManagerreturn？（）
A. space allocated in the tablespace
B. space required for the bitmap index on a column of the table
C. space remaining in the tablespace after creating the table
D. estimated value of the PCTFREE storage parameter
