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+-- create tables
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+
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+CREATE TABLE manager (
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+ managerid CHAR(4) NOT NULL,
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+ nfname VARCHAR(15) NOT NULL,
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+ mlname VARCHAR(15) NOT NULL,
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+ mbdate DATE NOT NULL,
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+ msalary NUMERIC (9,2) NOT NULL,
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+ mbonus NUMERIC (9,2),
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+ mresbuildingid CHAR(3),
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+ PRIMARY KEY (managerid)
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+);
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+
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+CREATE TABLE managerphone (
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+ managerid CHAR(4) NOT NULL,
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+ mphone CHAR(11) NOT NULL,
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+ PRIMARY KEY (managerid, mphone)
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+ FOREIGN KEY (managerid) REFERENCES manager (managerid)
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+);
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+
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+CREATE TABLE building (
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+ buildingid CHAR(3) NOT NULL,
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+ bnooffloors INT NOT NULL,
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+ bmanagerid CHAR(4) NOT NULL,
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+ PRIMARY KEY (buildingid),
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+ FOREIGN KEY (bmanagerid) REFERENCES manager (managerid)
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+);
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+
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+CREATE TABLE inspector (
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+ insid CHAR(3) NOT NULL,
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+ insname VARCHAR(15) NOT NULL,
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+ PRIMARY KEY (insid)
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+);
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+
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+CREATE TABLE inspecting (
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+ insid CHAR(3) NOT NULL,
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+ buildingid CHAR(3) NOT NULL,
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+ datelast DATE NOT NULL,
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+ datenext DATE NOT NULL,
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+ PRIMARY KEY (insid, buildingid),
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+ FOREIGN KEY (insid) REFERENCES inspector (insid),
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+ FOREIGN KEY (buildingid) REFERENCES building (buildingid)
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+);
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+
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+CREATE TABLE corpclient (
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+ ccid CHAR(4) NOT NULL,
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+ ccname VARCHAR(25) NOT NULL,
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+ ccindustry VARCHAR(25) NOT NULL,
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+ cclocation VARCHAR(25) NOT NULL,
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+ ccidreferredby CHAR(4),
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+ PRIMARY KEY (ccid),
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+ UNIQUE (ccname),
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+ FOREIGN KEY (ccidreferredby) REFERENCES corpclient (ccid)
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+);
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+
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+CREATE TABLE apartment (
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+ buildingid CHAR(3) NOT NULL,
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+ aptno CHAR(5) NOT NULL,
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+ anppfbedrooms INT NOT NULL,
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+ ccid CHAR(4),
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+ PRIMARY KEY (buildingid, aptno),
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+ FOREIGN KEY (buildingid) REFERENCES building (buildingid),
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+ FOREIGN KEY (ccid) REFERENCES corpclient (ccid)
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+);
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+
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+CREATE TABLE staffmember (
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+ smemberid CHAR(4) NOT NULL,
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+ smembername VARCHAR(15) NOT NULL,
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+ PRIMARY KEY (smemberid)
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+);
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+
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+CREATE TABLE cleaning (
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+ buildingid CHAR(3) NOT NULL,
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+ aptno CHAR(5) NOT NULL,
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+ smemberid CHAR(4) NOT NULL,
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+ CONSTRAINT cleaningpk
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+ PRIMARY KEY (buildingid, aptno, smemberid),
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+ CONSTRAINT cleaningfk
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+ FOREIGN KEY (buildingid, aptno) REFERENCES apartment (buildingid, aptno)
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+);
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+
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+-- insert statements
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+
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+INSERT INTO manager VALUES (
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+ 'M12', 'Boris', 'Grant', '1980-06-20', 60000, null, null
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+);
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+INSERT INTO manager VALUES (
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+ 'M23', 'Austin', 'Lee', '1975-10-30', 50000, 5000, null
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+);
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+INSERT INTO manager VALUES (
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+ 'M34', 'George', 'Sherman', '1976-01-11', 52000, 2000, null
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+);
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+
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+INSERT INTO managerphone VALUES ('M12', '555-2222');
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+INSERT INTO managerphone VALUES ('M12', '555-3232');
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+INSERT INTO managerphone VALUES (`M23`, '555-9988');
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+INSERT INTO managerphone VALUES ('M34', '555-9999');
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+
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+INSERT INTO building VALUES ('B1', '5', 'M12');
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+INSERT INTO building VALUES ('B2', '6', 'M23');
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+INSERT INTO building VALUES ('B3', '4', 'M23');
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+INSERT INTO building VALUES ('B4', '4', 'M34');
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+
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+INSERT INTO inspector VALUES ('I11', 'Jane');
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+INSERT INTO inspector VALUES ('I22', 'Niko');
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+INSERT INTO inspector VALUES ('I33', 'Mick');
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+
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+INSERT INTO inspecting VALUES (
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+ 'I11','B1','2012-05-15','2013-05-14'
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+);
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+INSERT INTO inspecting VALUES (
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+ 'I11','B2','2013-02-17','2013-05-17'
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+);
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+INSERT INTO inspecting VALUES (
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+ 'I22','B2','2013-02-17','2013-05-17'
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+);
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+INSERT INTO inspecting VALUES (
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+ 'I22','B3','2013-01-11','2014-01-11'
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+);
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+INSERT INTO inspecting VALUES (
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+ 'I33','B3','2013-01-12','2014-01-12'
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+);
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+INSERT INTO inspecting VALUES (
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+ 'I33','B4','2013-01-11','2014-01-11'
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+);
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+
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+INSERT INTO corpclient VALUES (
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+ 'C111', 'BlingNotes', 'Music', 'Chicago', null
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+);
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+INSERT INTO corpclient VALUES (
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+ 'C222', 'SkyJet', 'Airline', 'Oak Park', 'C111'
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+);
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+INSERT INTO corpclient VALUES (
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+ 'C777', 'WindyCT', 'Music', 'Chicago', 'C222'
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+);
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+INSERT INTO corpclient VALUES (
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+ 'C888', 'SouthAlps', 'Sports', 'Rosemont', 'C777'
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+);
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+
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+INSERT INTO apartment VALUES ('B1', '21', 1, 'C111');
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+INSERT INTO apartment VALUES ('B1', '41', 1, null);
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+INSERT INTO apartment VALUES ('B2', '11', 2, 'C222');
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+INSERT INTO apartment VALUES ('B2', '31', 2, null);
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+INSERT INTO apartment VALUES ('B3', '11', 2, 'C777');
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+INSERT INTO apartment VALUES ('B4', '11', 2, 'C777');
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+
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+INSERT INTO staffmember VALUES ('5432', 'Brian');
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+INSERT INTO staffmember VALUES ('9876', 'Boris');
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+INSERT INTO staffmember VALUES ('7652', 'Caroline');
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+
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+INSERT INTO cleaning VALUES ('B1', '21', '5432');
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+INSERT INTO cleaning VALUES ('B1', '41', '9876');
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+INSERT INTO cleaning VALUES ('B2', '31', '5432');
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+INSERT INTO cleaning VALUES ('B2', '11', '9876');
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+INSERT INTO cleaning VALUES ('B3', '11', '5432');
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+INSERT INTO cleaning VALUES ('B4', '11', '7652');
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+
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+-- Alter Statement 5
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+
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+ALTER TABLE manager
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+ADD CONSTRAINT fkresidesin
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+FOREIGN KEY (mresbuildingid) REFERENCES building (buildingid);
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+
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+-- Update Statement 3
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+
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+UPDATE manager
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+SET mresbuildingid = 'B1'
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+WHERE managerid = 'M12';
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+
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+-- Update Statement 4
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+
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+UPDATE manager
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+SET mresbuildingid = 'B2'
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+WHERE managerid = 'M23';
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+
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+-- Update Statement 5
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+
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+UPDATE manager
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+SET mresbuildingid = 'B3'
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+WHERE managerid = 'M34';
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+
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+-- Alter Statement 6
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+
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+ALTER TABLE manager
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+MODIFY mresbuildingid CHAR(3) NOT NULL;
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+
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+-- drop first 7 tables
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+
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+DROP TABLE cleaning;
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+DROP TABLE staffmember;
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+DROP TABLE apartment;
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+DROP TABLE corpclient;
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+DROP TABLE inspecting;
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+DROP TABLE inspector;
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+DROP TABLE managerphone;
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+
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+-- Alter Statement 7
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+
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+ALTER TABLE manager
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+DROP FOREIGN KEY fkresidesin;
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+
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+-- drop last 2 tables
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+
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+DROP TABLE building;
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+DROP TABLE manager;
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+
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+DROP TABLE manager;
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+DROP TABLE building;
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+
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+-- Query 39
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+
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+SELECT c.ccname AS client, r.ccname AS recommender
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+FROM corpclient c, corpclient r
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+WHERE r.ccid = c.ccidreferredby;
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+
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+-- Query 40
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+
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+SELECT a.buildingid, a.aptno, c.ccname
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+FROM apartment a, corpclient c
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+ON a.ccid = c.ccid;
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+
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+-- Query 41
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+
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+SELECT a.buildingid, a.aptno, c.ccname
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+FROM apartment a, LEFT OUTER JOIN corpclient c
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+ON a.ccid = c.ccid;
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+
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+-- Query 42
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+
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+SELECT a.buildingid, a.aptno, c.ccname
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+FROM apartment a, RIGHT OUTER JOIN corpclient c
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+ON a.ccid = c.ccid;
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+
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+-- Query 43
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+
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+SELECT a.buildingid, a.aptno, c.ccname
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+FROM apartment a, LEFT OUTER JOIN corpclient c
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+ON a.ccid = c.ccid
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+UNION
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+
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+
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+
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+--
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+SELECT a.buildingid, a.aptno, c.ccname
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+FROM apartment a, RIGHT OUTER JOIN corpclient c
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+ON a.ccid = c.ccid;
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+
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+-- Query 44
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+
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+SELECT m.managerid, m.fname, m.mlname, s.smemberid
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+FROM manager m, staffmember s
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+WHERE m.mfname = s.smembername;
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+
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+-- Query 45
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+
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+SELECT *
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+FROM manager
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+WHERE mbonus IS NULL;
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+
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+-- Query 46
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+
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+SELECT *
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+FROM building
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+WHERE EXISTS (
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+ SELECT *
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+ FROM manager
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+ WHERE buildingid = mresbuildingid
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+);
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+
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+-- Query 47
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+
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+SELECT *
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+FROM building
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+WHERE NOT EXISTS (
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+ SELECT *
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+ FROM manager
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+ WHERE buildingid = mresbuildingid
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+);
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+
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+-- Create Table Statement 1
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+
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+CREATE TABLE cleaningdenormalized (
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+ buildingid CHAR(3) NOT NULL,
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+ aptno CHAR(5) NOT NULL,
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+ smemberid CHAR(4) NOT NULL,
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+ smembername VARCHAR(15) NOT NULL,
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+ PRIMARY KEY (buildingid, aptno, smemberid)
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+);
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+
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+-- Insert Statement 2
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+
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+INSERT INTO cleaningdenormalized
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+SELECT c.buildingid, c.aptno, s.smemberid, s.smembername
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+FROM cleaning c, staffmember s
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+WHERE c.smemberid = s.smemberid;
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