Symbols and brackets used in code syntax

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Symbols and brackets used in code syntax

For those users new to SQL: in the notation used in this section (and generally in all Firebird and InterBase literature), the following symbols, punctuation and brackets have the following meaning:

()round bracketsElements of the syntax.
,commaElements of the syntax.
{}curly braces/bracketsNot part of the syntax; indicate mandatory phrases.
[]square bracketsNot part of the syntax; indicate optional phrases.
|pipe symbolNot part of the syntax; indicates mutually exclusive options.

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