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Mysql Compound Statements

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  1. Which character is illegal in naming an unquoted identifier in SQL?
    1. _
    2. .
    3. 2
    4. $
    5. None of these
Correct Option: B

An identifier is used to refer to a database or its elements. These elements can be entire tables or attributes. The names of these identifiers follow some set of rules, so they have a set of legal characters.


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