Embedding SQL in C: An Example

char SQLSTATE[6];

EXEC SQL BEGIN DECLARE SECTION

char c_sname[20]; short c_minrating; float c_age;

EXEC SQL END DECLARE SECTION

c_minrating = random();

EXEC SQL DECLARE sinfo CURSOR FOR

SELECT S.sname, S.age FROM Sailors S

WHERE S.rating > :c_minrating

ORDER BY S.sname;

do {

EXEC SQL FETCH sinfo INTO :c_sname, :c_age;

printf(“%s is %d years old\n”, c_sname, c_age);

} while (SQLSTATE != ‘02000’);

EXEC SQL CLOSE sinfo;

Previous slide

Next slide

Back to first slide

View graphic version