Do PLUS calculation in where clause : Update « Insert Delete Update « SQL / MySQL

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SQL / MySQL » Insert Delete Update » Update 
Do PLUS calculation in where clause

/*
mysql> select * from employee;
+----+-----------+----------+----------------------------+------+---------------+--------+-------+---------------------+
| id | firstname | lastname | title                      | age  | yearofservice| salary | perks | email               |
+----+-----------+----------+----------------------------+------+---------------+--------+-------+---------------------+
|  1 | John      | Chen     | Senior Programmer          |   31 |             3| 120000 | 25000 | j@hotmail.com       |
|  2 | Jan       | Pillai   | Senior Programmer          |   32 |             4| 110000 | 20000 | g@yahoo.com         |
|  3 | Ane       | Pandit   | Web Designer               |   24 |             3|  90000 | 15000 | a@gmail.com         |
|  4 | Mary      | Anchor   | Web Designer               |   27 |             2|  85000 | 15000 | m@mail.com          |
|  5 | Fred      | King     | Programmer                 |   32 |             3|  75000 | 15000 | f@net.com           |
|  6 | John      | Mac      | Programmer                 |   32 |             4|  80000 | 16000 | j@hotmail.com       |
|  7 | Arthur    | Sam      | Programmer                 |   28 |             2|  75000 | 14000 | e@yahoo.com         |
|  8 | Alok      | Nanda    | Programmer                 |   32 |             3|  70000 | 10000 | a@yahoo.com         |
|  9 | Susan     | Ra       | Multimedia Programmer      |   32 |             4|  90000 | 15000 | h@gmail.com         |
| 10 | Paul      | Simon    | Multimedia Programmer      |   23 |             1|  85000 | 12000 | ps@gmail.com        |
| 11 | Edward    | Parhar   | Multimedia Programmer      |   30 |             2|  75000 | 15000 | a@hotmail.com       |
| 12 | Kim       | Hunter   | Senior Web Designer        |   32 |             4| 110000 | 20000 | kim@coolmail.com    |
| 13 | Roger     | Lewis    | System Administrator       |   32 |             3| 100000 | 13000 | roger@mail.com      |
| 14 | Danny     | Gibson   | System Administrator       |   31 |             2|  90000 | 12000 | danny@hotmail.com   |
| 15 | Mike      | Harper   | Senior Marketing Executive |   36 |             1| 120000 | 28000 | m@gmail.com         |
| 16 | Mary      | Sunday   | Marketing Executive        |   31 |             5|  90000 | 25000 | monica@bigmail.com  |
| 17 | Jack      | Sim      | Marketing Executive        |   27 |             1|  70000 | 18000 | hal@gmail.com       |
| 18 | Joe       | Irvine   | Marketing Executive        |   27 |             1|  72000 | 18000 | joseph@hotmail.com  |
| 19 | Henry     | Ali      | Customer Service Manager   |   32 |             3|  70000 |  9000 | shahida@hotmail.com |
| 20 | Peter     | Champion | Finance Manager            |   32 |             2| 120000 | 25000 | peter@yahoo.com     |
+----+-----------+----------+----------------------------+------+---------------+--------+-------+---------------------+
20 rows in set (0.00 sec)

mysql> UPDATE employee SET salary = salary + 20000, perks = perks + 5000
    -> WHERE title='CEO';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 0  Changed: 0  Warnings: 0


*/
Drop table employee;

CREATE TABLE employee (
    id int unsigned not null auto_increment primary key,
    firstname varchar(20),
    lastname varchar(20),
    title varchar(30),
    age int,
    yearofservice int,
    salary int,
    perks int,
    email varchar(60)
)



INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("John""Chen""Senior Programmer"31312000025000"j@hotmail.com");

INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Jan""Pillai""Senior Programmer"32411000020000"g@yahoo.com");

INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Ane""Pandit""Web Designer"2439000015000"a@gmail.com");

INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mary""Anchor""Web Designer"2728500015000"m@mail.com");

INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Fred""King""Programmer"3237500015000"f@net.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("John""Mac""Programmer"3248000016000"j@hotmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Arthur""Sam""Programmer"2827500014000"e@yahoo.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Alok""Nanda""Programmer"3237000010000"a@yahoo.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Susan""Ra""Multimedia Programmer"3249000015000"h@gmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Paul""Simon""Multimedia Programmer"2318500012000"ps@gmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Edward""Parhar""Multimedia Programmer"3027500015000"a@hotmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Kim""Hunter""Senior Web Designer"32411000020000"kim@coolmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Roger""Lewis""System Administrator"32310000013000"roger@mail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Danny""Gibson""System Administrator"3129000012000"danny@hotmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mike""Harper""Senior Marketing Executive"36112000028000"m@gmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Mary""Sunday""Marketing Executive"3159000025000"monica@bigmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Jack""Sim""Marketing Executive"2717000018000"hal@gmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Joe""Irvine""Marketing Executive"2717200018000"joseph@hotmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Henry""Ali""Customer Service Manager"323700009000"shahida@hotmail.com");
INSERT INTO employee (firstname, lastName, title, age, yearofservice, salary, perks, emailvalues ("Peter""Champion""Finance Manager"32212000025000"peter@yahoo.com");

select from employee;

UPDATE employee SET salary = salary + 20000, perks = perks + 5000 
WHERE title='CEO';

select from employee;
           
       
Related examples in the same category
1. Assign value in select clause
2. Modifying Row Data
3. Update with limitation and calculation
4. Update records with calculation based on two tables
5. Update two tables with calculation
6. Using UPDATE Statements to Modify Data in Joined Tables
7. Update with condition
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