In which SQL clauses can a subquery be
A company is planning to carry out redevelopment and tuning on a large important application. Prior to this rework, the developer needs to capture all objects that the application to using they can be replicated in test and development environments
Which DBOL logging option should be enabled by the DBA to research and determine the database entities that are being used?
The table Sales has more than one million rows. There are many queries with Product_id used as a predicate to identify the sales information of a product across all stores. The table Sales has the definition:
Which action would improve the performance on the queries?
A CUSTOMER table must ensure that all values in a ZIP column contain only digits.
Which constraint should be deployed to meet this requirement?
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