How do you combine data using joins?
What will be an ideal response?
A join is a database operation that can be used to merge and retrieve data that is stored in more than one table or view. Inner and outer joins use join conditions-using the ON clause-that specify which columns from each table should be used as the matching key.
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Which of the following is NOT true about the correct placement of a keyboard?
A) It should be placed on an adjustable shelf below the desk. B) You should ensure your forearms are parallel to the ground. C) You should use a wrist rest. D) You should place it at least four inches above your lap.
________ is a method of categorizing Web pages that was popularized by Google and made them the leader in the search engine field
A) Downloading B) Web crawlers C) Caching D) Page ranking