Declaration Section [ESQL]

Declares host variables in an Embedded SQL program. Host variables are used to exchange data with the database.

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Syntax

EXEC SQL BEGIN DECLARE SECTION;
... <C declarations>
EXEC SQL END DECLARE SECTION;

Examples

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Example 1

EXEC SQL BEGIN DECLARE SECTION;
char *emp_lname, initials[5];
int dept;
EXEC SQL END DECLARE SECTION;

Usage

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A declaration section is a section of C variable declarations surrounded by the BEGIN DECLARE SECTION and END DECLARE SECTION statements. A declaration section makes the SQL preprocessor aware of C variables that are used as host variables. Not all C declarations are valid inside a declaration section.

Standards

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SQL—Vendor extension to ISO/ANSI SQL grammar.

Permissions

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None