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Why do we need a database?
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If you see a pin hit ratio of less than 0.8 in the estat library cache report is this a problem? If so, how do you fix it?
Which date function is used to find the difference between two dates?
What does a hard one-to-one relationship mean (one where the relationship on both ends is "must")?
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When looking at v$sysstat you see that sorts (disk) is high. Is this bad or good? If bad -how do you correct it?
If you see the value for reloads is high in the estat library cache report is this a matter for concern?
What is a dba why is this position necessary?
How many dba can you have?
How do you install statspack?
Does a dba have to file taxes?
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