| 21. | Variables only accessible within a certain functions are termed " local variables ".
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| 22. | Recursive languages generally provide a new copy of local variables on each call.
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| 23. | However, types of local variables cannot be specified.
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| 24. | You may assign these iterators to a local variable to use them directly.
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| 25. | Procedures and functions can have both reference and value parameters, and local variables.
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| 26. | Most other languages provide lexically scoped local variables.
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| 27. | Pattern matching also happens in local variable declarations.
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| 28. | :* Sadly-you mistakenly declared'errno'as a local variable.
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| 29. | This is used by the compilers to hold local variables created within a block.
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| 30. | In Transact-SQL, " @ " precedes a local variable or parameter name.
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