In your datawarehousing application, you generate reports frequently. The data is static in the tables being used to generate reports. You are currently using joins, resulting in a large performance overhead. What kind of database structure would you use to reduce the response time of the query?() hash clusters。 index clusters。 partitioned tables。 indexorganized table (IOT)。
可以导致血胆固醇增高的药品是() 氟伐他汀。 氯氮平。 非诺贝物。 二甲双胍。 吗啡。
需要在备忘录中记录的问题有()。 不合理的现象。 不均匀的地方。 不节省的环节。 不安全的工艺。 不明白的操作。
王威《走进心灵,师爱无痕》提出:“问题学生”,他们身上可能有这样那样的毛病,但也一定有不少(),只要我们用爱的眼睛去发现。
Which three are the valid statements in relation to SQL plan baselines?() The plans can be manually loaded to the SQL plan baseline.。 The plans in the SQL plan baseline are verified and accepted plans.。 The plans generated for every SQL statement are stored in the SQL plan baseline by default.。 The plan baselines are stored temporarily in the memory as long as the database instance is running.。 For the SQL plan baselines to be accessible to the optimizer, the SYSAUX tablespace must be online.。
链接是网上不正当竞争中常见的一种技术手段,主要表现为()三种形态。