Database.. SQL 1. List the number of products in the inventory supplied by each

Question

Database.. SQL

1. List the number of products in the inventory supplied by each vendor. Limit the list to products whose price average less than $10. (Use Group by and Having)

2. Find the total code of products grouped by v_code. Select only the rows with totals that exceed $500. List the results in descending order by the total cost. (Use Group by, Having, and Order by) (The sum is P_QOH * P_PRICE)

*script

CREATE TABLE CUSTOMER (
CUS_CODE int,
CUS_LNAME varchar(15),
CUS_FNAME varchar(15),
CUS_INITIAL varchar(1),
CUS_AREACODE varchar(3),
CUS_PHONE varchar(8),
CUS_BALANCE float(8)
);
INSERT INTO CUSTOMER VALUES('10010','Ramas','Alfred','A','615','844-2573','0');
INSERT INTO CUSTOMER VALUES('10011','Dunne','Leona','K','713','894-1238','0');
INSERT INTO CUSTOMER VALUES('10012','Smith','Kathy','W','615','894-2285','345.859985351562');
INSERT INTO CUSTOMER VALUES('10013','Olowski','Paul','F','615','894-2180','536.75');
INSERT INTO CUSTOMER VALUES('10014','Orlando','Myron','','615','222-1672','0');INSERT INTO CUSTOMER VALUES('10015','O''Brian','Amy','B','713','442-3381','0');
INSERT INTO CUSTOMER VALUES('10016','Brown','James','G','615','297-1228','221.190002441406');
INSERT INTO CUSTOMER VALUES('10017','Williams','George','','615','290-2556','768.929992675781');
INSERT INTO CUSTOMER VALUES('10018','Farriss','Anne','G','713','382-7185','216.550003051758');
INSERT INTO CUSTOMER VALUES('10019','Smith','Olette','K','615','297-3809','0');

/* -- */

CREATE TABLE INVOICE (
INV_NUMBER int,
CUS_CODE int,
INV_DATE date,
INV_SUBTOTAL float(8),
INV_TAX float(8),
INV_TOTAL float(8)
);
INSERT INTO INVOICE VALUES('1001','10014','16-Jan-2008', '24.8999996185303' , '1.99000000953674' ,' 26.8899993896484');
INSERT INTO INVOICE VALUES('1002','10011', '16-Jan-2008', '9.97999954223633', '0.800000011920929', '10.7799997329712');
INSERT INTO INVOICE VALUES('1003','10012', '16-Jan-2008','153.850006103516','12.3100004196167','166.160003662109');
INSERT INTO INVOICE VALUES('1004','10011', '17-Jan-2008','34.9700012207031','2.79999995231628','37.7700004577637');
INSERT INTO INVOICE VALUES('1005','10018', '17-Jan-2008','70.4400024414062','5.6399998664856','76.0800018310547');
INSERT INTO INVOICE VALUES('1006','10014', '17-Jan-2008','397.829986572266','31.8299999237061','429.660003662109');
INSERT INTO INVOICE VALUES('1007','10015', '17-Jan-2008','34.9700012207031','2.79999995231628','37.7700004577637');
INSERT INTO INVOICE VALUES('1008','10011', '17-Jan-2008','399.149993896484','31.9300003051758','431.079986572266');

/* -- */

CREATE TABLE LINE (
INV_NUMBER int,
LINE_NUMBER int,
P_CODE varchar(10),
LINE_UNITS float(8),
LINE_PRICE float(8),
LINE_TOTAL float(8)
);
INSERT INTO LINE VALUES('1001','1','13-Q2/P2','1','14.9899997711182','14.9899997711182');
INSERT INTO LINE VALUES('1001','2','23109-HB','1','9.94999980926514','9.94999980926514');
INSERT INTO LINE VALUES('1002','1','54778-2T','2','4.98999977111816','9.97999954223633');
INSERT INTO LINE VALUES('1003','1','2238/QPD','1','38.9500007629395','38.9500007629395');
INSERT INTO LINE VALUES('1003','2','1546-QQ2','1','39.9500007629395','39.9500007629395');
INSERT INTO LINE VALUES('1003','3','13-Q2/P2','5','14.9899997711182','74.9499969482422');
INSERT INTO LINE VALUES('1004','1','54778-2T','3','4.98999977111816','14.9700002670288');
INSERT INTO LINE VALUES('1004','2','23109-HB','2','9.94999980926514','19.8999996185303');
INSERT INTO LINE VALUES('1005','1','PVC23DRT','12','5.86999988555908','70.4400024414062');
INSERT INTO LINE VALUES('1006','1','SM-18277','3','6.98999977111816','20.9699993133545');
INSERT INTO LINE VALUES('1006','2','2232/QTY','1','109.919998168945','109.919998168945');
INSERT INTO LINE VALUES('1006','3','23109-HB','1','9.94999980926514','9.94999980926514');
INSERT INTO LINE VALUES('1006','4','89-WRE-Q','1','256.989990234375','256.989990234375');
INSERT INTO LINE VALUES('1007','1','13-Q2/P2','2','14.9899997711182','29.9799995422363');
INSERT INTO LINE VALUES('1007','2','54778-2T','1','4.98999977111816','4.98999977111816');
INSERT INTO LINE VALUES('1008','1','PVC23DRT','5','5.86999988555908','29.3500003814697');
INSERT INTO LINE VALUES('1008','2','WR3/TT3','3','119.949996948242','359.850006103516');
INSERT INTO LINE VALUES('1008','3','23109-HB','1','9.94999980926514','9.94999980926514');

/* -- */

CREATE TABLE PRODUCT (
P_CODE varchar(10),
P_DESCRIPT varchar(35),
P_INDATE date,
P_QOH int,
P_MIN int,
P_PRICE float(8),
P_DISCOUNT float(8),
V_CODE int
);
INSERT INTO PRODUCT VALUES('11QER/31','Power painter, 15 psi., 3-nozzle','3-Nov-2007','8','5','109.98999786377','0','25595');
INSERT INTO PRODUCT VALUES('13-Q2/P2','7.25-in. pwr. saw blade','13-Dec-2007','32','15','14.9899997711182','0.05','21344');
INSERT INTO PRODUCT VALUES('14-Q1/L3','9.00-in. pwr. saw blade','13-Dec-2007','18','12','17.4899997711182','0','21344');
INSERT INTO PRODUCT VALUES('1546-QQ2','Hrd. cloth, 1/4-in., 2x50','15-Jan-2008','15','8','39.9500007629395','0','23119');
INSERT INTO PRODUCT VALUES('1558-QW1','Hrd. cloth, 1/2-in., 3x50','15-Jan-2008','23','5','43.9900016784668','0','23119');
INSERT INTO PRODUCT VALUES('2232/QTY','B/D jigsaw, 12-in. blade','30-Dec-2007','8','5','109.919998168945','0.05','24288');
INSERT INTO PRODUCT VALUES('2232/QWE','B/D jigsaw, 8-in. blade','24-Dec-2007','6','5','99.870002746582','0.05','24288');
INSERT INTO PRODUCT VALUES('2238/QPD','B/D cordless drill, 1/2-in.','20-Jan-2008','12','5','38.9500007629395','0.05','25595');
INSERT INTO PRODUCT VALUES('23109-HB','Claw hammer','20-Jan-2008','23','10','9.94999980926514','0.1','21225');
INSERT INTO PRODUCT VALUES('23114-AA','Sledge hammer, 12 lb.','2-Jan-2008','8','5','14.3999996185303','0.05','');
INSERT INTO PRODUCT VALUES('54778-2T','Rat-tail file, 1/8-in. fine','15-Dec-2007','43','20','4.98999977111816','0','21344');
INSERT INTO PRODUCT VALUES('89-WRE-Q','Hicut chain saw, 16 in.','7-Feb-2008','11','5','256.989990234375','0.05','24288');
INSERT INTO PRODUCT VALUES('PVC23DRT','PVC pipe, 3.5-in., 8-ft','20-Feb-2008','188','75','5.86999988555908','0','');
INSERT INTO PRODUCT VALUES('SM-18277','1.25-in. metal screw, 25','1-Mar-2008','172','75','6.98999977111816','0','21225');
INSERT INTO PRODUCT VALUES('SW-23116','2.5-in. wd. screw, 50','24-Feb-2008','237','100','8.44999980926514','0','21231');
INSERT INTO PRODUCT VALUES('WR3/TT3','Steel matting, 4''x8''x1/6", .5" mesh','17-Jan-2008','18','5','119.949996948242','0.1','25595');

/* -- */

CREATE TABLE VENDOR (
V_CODE int,
V_NAME varchar(15),
V_CONTACT varchar(50),
V_AREACODE varchar(3),
V_PHONE varchar(8),
V_STATE varchar(2),
V_ORDER varchar(1)
);
INSERT INTO VENDOR VALUES('21225','Bryson, Inc.','Smithson','615','223-3234','TN','Y');
INSERT INTO VENDOR VALUES('21226','SuperLoo, Inc.','Flushing','904','215-8995','FL','N');
INSERT INTO VENDOR VALUES('21231','D/E Supply','Singh','615','228-3245','TN','Y');
INSERT INTO VENDOR VALUES('21344','Gomez Bros.','Ortega','615','889-2546','KY','N');
INSERT INTO VENDOR VALUES('22567','Dome Supply','Smith','901','678-1419','GA','N');
INSERT INTO VENDOR VALUES('23119','Randsets Ltd.','Anderson','901','678-3998','GA','Y');
INSERT INTO VENDOR VALUES('24004','Brackman Bros.','Browning','615','228-1410','TN','N');
INSERT INTO VENDOR VALUES('24288','ORDVA, Inc.','Hakford','615','898-1234','TN','Y');
INSERT INTO VENDOR VALUES('25443','B/K, Inc.','Smith','904','227-0093','FL','N');
INSERT INTO VENDOR VALUES('25501','Damal Supplies','Smythe','615','890-3529','TN','N');
INSERT INTO VENDOR VALUES('25595','Rubicon Systems','Orton','904','456-0092','FL','Y');

Explanation / Answer

1.

Select count(*),V_CODE

From

Product

Group by V_CODE

Having avg(P_PRICE)<10;

2.

Select sum(P_QOH*P_PRICE),V_CODE

From

Product

Group by V_CODE

Having sum(P_QOH*P_PRICE)>500

Order by 1 desc;

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