Updating Rows Based on Multiple Tables : Update « Insert Delete Update « SQL Server / T-SQL

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SQL Server / T-SQL » Insert Delete Update » Update 
Updating Rows Based on Multiple Tables

1>
2create table employee(
3>     ID          int,
4>     name        nvarchar (10),
5>     salary      int )
6> GO
1>
2create table job(
3>     ID              int,
4>     title nvarchar  (10),
5>     averageSalary   int)
6> GO
1>
2>
3insert into employee (ID, name, salaryvalues (1,  'Jason', 1234)
4> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (2,  'Robert', 4321)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (3,  'Celia', 5432)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (4,  'Linda', 3456)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (5,  'David', 7654)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (6,  'James', 4567)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (7,  'Alison', 8744)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (8,  'Chris', 9875)
2> GO

(rows affected)
1insert into employee (ID, name, salaryvalues (9,  'Mary', 2345)
2> GO

(rows affected)
1>
2insert into job(ID, title, averageSalaryvalues(1,'Developer',3000)
3> GO

(rows affected)
1insert into job(ID, title, averageSalaryvalues(2,'Tester', 4000)
2> GO

(rows affected)
1insert into job(ID, title, averageSalaryvalues(3,'Designer', 5000)
2> GO

(rows affected)
1insert into job(ID, title, averageSalaryvalues(4,'Programmer', 6000)
2> GO

(rows affected)
1>
2>
3>
4select from employee;
5> GO
ID          name       salary
----------- ---------- -----------
          Jason             1234
          Robert            4321
          Celia             5432
          Linda             3456
          David             7654
          James             4567
          Alison            8744
          Chris             9875
          Mary              2345

(rows affected)
1select from job;
2> GO
ID          title      averageSalary
----------- ---------- -------------
          Developer           3000
          Tester              4000
          Designer            5000
          Programmer          6000

(rows affected)
1>
2> -- Updating Rows Based on Multiple Tables
3>
4UPDATE   Employee
5> SET     Salary = 4000
6FROM    Employee INNER JOIN Job
7>         ON Employee.ID = Job.ID
8> GO

(rows affected)
1>
2select from employee
3> GO
ID          name       salary
----------- ---------- -----------
          Jason             4000
          Robert            4000
          Celia             4000
          Linda             4000
          David             7654
          James             4567
          Alison            8744
          Chris             9875
          Mary              2345

(rows affected)
1>
2> drop table employee;
3> drop table job;
4> GO
1>
2>

           
       
Related examples in the same category
1. An UPDATE statement can only modify data of a single table
2. Update statement and IN operator
3. Modify rows of a table with an expression
4. Update a single column
5. Change more than one column by adding a comma and the additional column expression
6. Using an expression in our UPDATE statement
7. Update command with where condition
8. Update more than one columns in update clause
9. Update a single row
10. Use CASE in the UPDATE statement
11. Updating a Column Value
12. UPDATE with a Join
13. Reference a declared variable in an update statement
14. Math operator in update statement
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