Системы обработки информации - язык баз данных SQL

Формат


<embedded SQL COBOL program> ::=

См. Синтаксические правила.

<COBOL variable definition> ::=

{ 01 | 77 } < COBOL host identifier>

<COBOL type specification>

[<character> ...]

< COBOL host identifier> ::=

См. Cинтаксическое правило 3.

<COBOL type specification> ::=

<COBOL character type>

| <COBOL numeric type>

| <COBOL integer type>

<COBOL character type> ::=

PIC[TURE] [IS] X (<length>)

<COBOL numeric type> ::=

PIC[TURE] [IS]

S{ <nines> [V<nines>]

| <nines>V

| V<nines> }

[USAGE [IS]] DISPLAY SIGN LEADING SEPARATE

<COBOL integer type> ::=

PIC[TURE] [IS]

S<nines>

[USAGE [IS]] COMP[UTATIONAL]

<nines>::= { 9 [(<unsigned integer>)] }...



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