Write ALTER TABLE statements for each table to create Primary Keys and Foreign Keys where applicable. (Preferable save to notepad) use exercise2: 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','345.86'); 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','221.19'); INSERT INTO CUSTOMER VALUES('10017','Williams','George','','615','290-2556','768.93'); INSERT INTO CUSTOMER VALUES('10018','Farriss','Anne','G','713','382-7185','216.55'); 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','2016-01-16','24.90','1.99','26.89'); INSERT INTO INVOICE VALUES('1002','10011','2016-01-16','9.98','0.80','10.78'); INSERT INTO INVOICE VALUES('1003','10012','2016-01-16','153.85','12.31','166.16'); INSERT INTO INVOICE VALUES('1004','10011','2016-01-17','34.97','2.80','37.77'); INSERT INTO INVOICE VALUES('1005','10018','2016-01-17','70.44','5.64','76.08'); INSERT INTO INVOICE VALUES('1006','10014','2016-01-17','397.83','31.83','429.66'); INSERT INTO INVOICE VALUES('1007','10015','2016-01-17','34.97','2.80','37.77'); INSERT INTO INVOICE VALUES('1008','10011','2016-01-17','399.15','31.93','431.08'); /* -- */ 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','14.99','14.99'); INSERT INTO LINE VALUES('1001','2','23109-HB','1','9.95','9.95'); INSERT INTO LINE VALUES('1002','1','54778-2T','2','4.99','9.98'); INSERT INTO LINE VALUES('1003','1','2238/QPD','1','38.95','38.95'); INSERT INTO LINE VALUES('1003','2','1546-QQ2','1','39.95','39.95'); INSERT INTO LINE VALUES('1003','3','13-Q2/P2','5','14.99','74.95'); INSERT INTO LINE VALUES('1004','1','54778-2T','3','4.99','14.97'); INSERT INTO LINE VALUES('1004','2','23109-HB','2','9.95','19.90'); INSERT INTO LINE VALUES('1005','1','PVC23DRT','12','5.87','70.44'); INSERT INTO LINE VALUES('1006','1','SM-18277','3','6.99','20.97'); INSERT INTO LINE VALUES('1006','2','2232/QTY','1','109.92','109.92'); INSERT INTO LINE VALUES('1006','3','23109-HB','1','9.95','9.95'); INSERT INTO LINE VALUES('1006','4','89-WRE-Q','1','256.99','256.99'); INSERT INTO LINE VALUES('1007','1','13-Q2/P2','2','14.99','29.98'); INSERT INTO LINE VALUES('1007','2','54778-2T','1','4.99','4.99'); INSERT INTO LINE VALUES('1008','1','PVC23DRT','5','5.87','29.35'); INSERT INTO LINE VALUES('1008','2','WR3/TT3','3','119.95','359.85'); INSERT INTO LINE VALUES('1008','3','23109-HB','1','9.95','9.95'); /* -- */ 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','2015-11-03','8','5','109.99','0','25595'); INSERT INTO PRODUCT VALUES('13-Q2/P2','7.25-in. pwr. saw blade','2015-12-13','32','15','14.99','0.05','21344'); INSERT INTO PRODUCT VALUES('14-Q1/L3','9.00-in. pwr. saw blade','2015-11-13','18','12','17.49','0','21344'); INSERT INTO PRODUCT VALUES('1546-QQ2','Hrd. cloth, 1/4-in., 2x50','2016-01-15','15','8','39.95','0','23119'); INSERT INTO PRODUCT VALUES('1558-QW1','Hrd. cloth, 1/2-in., 3x50','2016-01-15','23','5','43.99','0','23119'); INSERT INTO PRODUCT VALUES('2232/QTY','B&D jigsaw, 12-in. blade','2015-12-30','8','5','109.92','0.05','24288'); INSERT INTO PRODUCT VALUES('2232/QWE','B&D jigsaw, 8-in. blade','2015-12-24','6','5','99.87','0.05','24288'); INSERT INTO PRODUCT VALUES('2238/QPD','B&D cordless drill, 1/2-in.','2016-01-20','12','5','38.95','0.05','25595'); INSERT INTO PRODUCT VALUES('23109-HB','Claw hammer','2016-01-12','23','10','9.95','0.1','21225'); INSERT INTO PRODUCT VALUES('23114-AA','Sledge hammer 12 lb.','2016-01-2','8','5','14.40','0.05','24004'); INSERT INTO PRODUCT VALUES('54778-2T','Rat-tail file, 1/8-in. fine','2015-12-15','43','20','4.99','0','21344'); INSERT INTO PRODUCT VALUES('89-WRE-Q','Hicut chain saw, 16 in.','2016-02-17','11','5','256.99','0.05','24288'); INSERT INTO PRODUCT VALUES('PVC23DRT','PVC pipe, 3.5-in., 8-ft','2016-02-27','188','75','5.87','0','24004'); INSERT INTO PRODUCT VALUES('SM-18277','1.25-in. metal screw, 25','2016-03-01','172','75','6.99','0','21225'); INSERT INTO PRODUCT VALUES('SW-23116','2.5-in. wd. screw, 50','2016-02-14','237','100','8.45','0','21231'); INSERT INTO PRODUCT VALUES('WR3/TT3','Steel matting, 4''x8''x1/6", .5" mesh','2016-01-27','18','5','119.95','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');
SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
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