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Syntax elements used in this book

|

    The vertical line | means, that you have to use only one of the language elements on both sides of the line in the program text. This vertical line charakter is not to be used in the program text.

[ ]

    Anything in the quare brackets is optional and must not be excplicitly used. These square brackets are not to be used in the program text too.

{ }

    Anything between this brackets is considered as one language element. These brackets are not to be inserted into the program text too.

( )

    SQL language element used in field size definitions and in logical contsructs or formulas. These round brackets you have to insert into the program text at this place.

TextBigSmall

    Text elements, having big and small charakters together, are used to mark database, table, fields or aliases, or lists of them.

TEXTBIG

    Text elements, having only big charakters, are used to mark SQL keywords.

textsmall

    Text elements, having only small charakters, are used only in examples to mark table- of field- names.

[...]

    Any language elements, that are standing before [...] can be repeated and used more than once.

[,...]

    Any language elements, that are standing before [,...] can be repeated and used more than once in a list. The elements of the list have to be separated with "kommas".