You work as a database administrator for Certkiller .com. In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）A、It degrades the run time and compiler performance.B、It provides better run time an

题目

You work as a database administrator for Certkiller .com. In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）

A、It degrades the run time and compiler performance.
B、It provides better run time and compiler performance.
C、It provides better optimization of the statement during parse time.
D、It forces the rule based optimizer to be used for statement optimization.
E、It provides better run time performance but slightly degraded compiler performance.
F、It provides better run time performance but slightly degraded run time performance.

参考答案和解析

正确答案:E

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第2题

You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）A、Set the UNDO_RETENTION parameter to AUTO.B、Create an initial undo segment in undotablespace.C、Set the UNDO_RETENTION parameter to 900 or moreD、Set the initialization parameter UNDO_MANAGEMENT to AUTOE、Set the UNDO_MANAGEMENT parameter to the name of an undotablespace

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第3题

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第4题

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第5题

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第6题

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第7题

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You work as a database administrator for Certkiller .com. In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）A、It degrades the run time and compiler performance.B、It provides better run time an

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参考答案和解析

更多“You work as a database administrator for Certkiller .com. In your database server， the parameter PLSQL_OPTIMIZE_LEVEL has been set to 2. What would this setting achieve？（）A、It degrades the run time and compiler performance.B、It provides better run time an”相关问题

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