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Key Word (key_word) 

Key word. A distinction is made between “normal“ and reserved key words.

Syntax

<keyword> ::= <not_reserved_key_word> | <reserved_keyword>

not_reserved_keyword, reserved_keyword

Explanation

Key words can be entered in uppercase/lowercase characters.

Reserved key words (reserved_key_word) must not be used in simple identifiers. Reserved key words, however, can be specified in the form of special identifiers.

 

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