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db2
--Sql Server 2014 Express Edition --Batches are separated by 'go' select @@version as 'sql server version' create table employee ( lname varchar(20) not null, fname varchar(20) not null, ssn varchar(9), superssn varchar(9), bdate date, address varchar(20), sex varchar(1), salary decimal(4), dno varchar(1), primary key (ssn) , --foreign key (superssn) references employee(ssn) --foreign key (dno) references department(dnumber) ); create table department ( dname varchar(20) not null, mgrssn varchar(9), mgrstartdate date, dnumber decimal(4), primary key (dnumber) , ); create table deptlocations ( dlocation varchar(15), dnumber decimal(4), primary key (dlocation) , --foreing key (dnumber) references department (dnumber) ); create table project( pname varchar(20) not null, pnumber varchar(2), plocation varchar(15), dnum varchar(1), primary key (pnumber) , --foreing key (dnum) references department(dnumber) ); create table workson ( deptname varchar(20) not null, pno varchar(1), dnumber decimal(4), --foreing key (essn) references employee(ssn) --foreing key (pno) references project (pnumber) ); create table dependant ( deptname varchar(20) not null, pno varchar(1), dnumber decimal(4), primary key (dnumber) , --foreing key (pno) references projects(pnumber) );
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QLSV
TEST 2
Sum then delete one row - SQL Server 2008 R2
Pro DB's project
Sum then delete one row
count events by 2 shift cycles using CTE
hdudh
Task_2_Final
function used in cte
Task_4_Final
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