📄 dml019.sql
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-- MODULE DML019-- SQL Test Suite, V6.0, Interactive SQL, dml019.sql-- 59-byte ID-- TEd Version # -- AUTHORIZATION HU set schema HU;--O SELECT USER FROM HU.ECCO; VALUES USER;-- RERUN if USER value does not match preceding AUTHORIZATION comment-- date_time print-- TEST:0074 GROUP BY col with SELECT col., SUM! SELECT PNUM, SUM(HOURS) FROM WORKS GROUP BY PNUM;-- PASS:0074 If 6 rows are selected?-- PASS:0074 If PNUMs: 'P1', 'P2', 'P3', 'P4', 'P5', 'P6'?-- PASS:0074 If SUM(HOURS) for 'P2' is 140 ?-- END TEST >>> 0074 <<< END TEST-- **********************************************************-- TEST:0075 GROUP BY clause! SELECT EMPNUM FROM WORKS GROUP BY EMPNUM-- Derby change to standardize order for diff order by empnum;-- PASS:0075 If 4 rows are selected with EMPNUMs: 'E1','E2','E3','E4'?-- END TEST >>> 0075 <<< END TEST-- ************************************************************-- TEST:0076 GROUP BY 2 columns! SELECT EMPNUM,HOURS FROM WORKS GROUP BY EMPNUM,HOURS-- Derby change to standardize order for diff order by empnum, hours;-- PASS:0076 If 10 rows are selected and EMPNUM = 'E1' in 4 rows ?-- PASS:0076 for 1 row EMPNUM = 'E1' and HOURS = 12?-- END TEST >>> 0076 <<< END TEST-- ***********************************************************-- TEST:0077 GROUP BY all columns with SELECT * ! SELECT * FROM WORKS GROUP BY PNUM,EMPNUM,HOURS;-- PASS:0077 If 12 rows are selected ?-- END TEST >>> 0077 <<< END TEST-- ***********************************************************-- TEST:0078 GROUP BY three columns, SELECT two! SELECT PNUM,EMPNUM FROM WORKS GROUP BY EMPNUM,PNUM,HOURS;-- PASS:0078 If 12 rows are selected ?-- END TEST >>> 0078 <<< END TEST-- *********************************************************-- TEST:0079 GROUP BY NULL value!-- setup INSERT INTO STAFF(EMPNUM,EMPNAME,GRADE) VALUES('E6','WANG',40);-- PASS:0079 If 1 row is inserted? INSERT INTO STAFF(EMPNUM,EMPNAME,GRADE) VALUES('E7','SONG',50);-- PASS:0079 If 1 row is inserted? SELECT SUM(GRADE) FROM STAFF WHERE CITY IS NULL GROUP BY CITY;-- PASS:0079 If SUM(GRADE) = 90?-- restore DELETE FROM STAFF WHERE CITY IS NULL;-- PASS:0079 If 2 rows deleted?--O SELECT COUNT(*) FROM STAFF; SELECT * FROM STAFF;-- PASS:0079 If count = 5?-- END TEST >>> 0079 <<< END TEST-- *************************************************////END-OF-MODULE
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