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-$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.13 2000/11/29 20:15:59 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/sql.sgml,v 1.14 2000/12/09 22:59:25 momjian Exp $
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<chapter id="sql">
SELECT PNAME, PRICE
FROM PART
WHERE PNAME = 'Bolt' AND
- (PRICE = 0 OR PRICE < 15);
+ (PRICE = 0 OR PRICE <= 15);
</programlisting>
will lead to the result:
INTERSECT
SELECT S.SNO, S.SNAME, S.CITY
FROM SUPPLIER S
- WHERE S.SNO > 2;
+ WHERE S.SNO < 3;
</programlisting>
gives the result:
<programlisting>
SELECT * FROM London_Suppliers
- WHERE P.PNAME = 'Screw';
+ WHERE PNAME = 'Screw';
</programlisting>
which will return the following table: