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Declaration section [ESQL]

Description

Use this statement to declare host variables in an embedded SQL program. Host variables are used to exchange data with the database.

Syntax

EXEC SQL BEGIN DECLARE SECTION;
C declarations
EXEC SQL END DECLARE SECTION;

A declaration section is simply 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 will be used as host variables. Not all C declarations are valid inside a declaration section. See Using host variables for more information.

Permissions

None.

Standards and compatibility

SQL/92 Entry-level feature.
SQL/99 Core feature.
Sybase Compatible with Adaptive Server Enterprise.

Example

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