Compare String in where clause : String Compare « String « SQL / MySQL

SQL / MySQL
1. Backup Load
2. Command MySQL
3. Cursor
4. Data Type
5. Database
6. Date Time
7. Flow Control
8. Function
9. Insert Delete Update
10. Join
11. Key
12. Math
13. Procedure Function
14. Select Clause
15. String
16. Table Index
17. Transaction
18. Trigger
19. User Permission
20. View
21. Where Clause
Java
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
SQL / MySQL » String » String Compare 
Compare String in where clause

/*
mysql> select * from employee_person;
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
| id | address                             | phone   | email | birthday   | sex  | m_status | s_name          | children |
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
|  1 | 200, Regina Street                  | 7176666 | net@hotmail.com | 1971-04-26 | M    | Y        | Ane Regina      |     NULL |
|  2 | 1232 Alberta Road                   | 5553312 | jo@hotmail.com | 1968-03-02 | M    | Y        | Jane Van        |        3 |
|  3 | 90 Potter A                         | 3331211 | gp@ymail.com | 1967-09-22 | M    | N        | Sandhya Pil     |        2 |
|  4 | 202, Donna Street                   | 7176167 | twink@hotmail.com | 1976-08-09 | F    | Y        | Manish Sha      |     NULL |
|  5 | Apartment #8, UBC, Van Street       | 8973242 | holy@ymail.com | 1974-10-14 | F    | N        | NULL            |     NULL |
|  6 | 46 SFU Street                       | 6451234 | kill@el.com | 1978-12-31 | M    | N        | NULL            |     NULL |
|  7 | 432 Mercury Ave                     | 7932232 | mac@hotmail.com | 1966-08-21 | M    | Y        | Mary Shelly     |        3 |
|  8 | 8 Little YaleTown                   | 5442994 | edd@gmail.com | 1975-01-14 | M    | N        | NULL            |     NULL |
|  9 | 64 Temp Road                        | 4327652 | nan@pmail.com | 1969-05-19 | M    | Y        | Man Nanda       |        1 |
| 10 | 132 Metro House, Henry Street       | 5552376 | ra@hotmail.com | 1968-07-06 | M    | N        | NULL            |     NULL |
| 11 | 1 Grace Town, Van Avenue            | 5433879 | soundofsilence@boxer.net | 1957-11-04 | M    | Y        | Muriel Lovelace |        4 |
| 12 | 97 Oakland Road                     | 5423311 | kingarthur@roundtable.org | 1968-02-15 | M    | Y        | Rina Brighton   |        3 |
| 13 | 543 Applegate Lane                  | 3434343 | levy@cmail.com | 1968-09-03 | F    | Y        | Matt Shi        |        2 |
| 14 | 76 Fish Street                      | 7432433 | tink@email.com | 1965-04-28 | M    | N        | NULL            |     NULL |
| 15 | 98 Gun Street                       | 6500787 | danny@fhardy.com | 1966-06-23 | M    | Y        | Betty Cudly     |        3 |
| 16 | #5 Winnepag Homes                   | 5433243 | mike@cmail.com | 1964-03-06 | M    | Y        | Stella Stevens  |        2 |
| 17 | 652 Devon Building, 6th Jade Avenue | 5537885 | mona@darling.com | 1970-04-18 | F    | Y        | Edgar Alan      |        1 |
| 18 | Apartment #9, Together Towers       | 5476565 | odessey@hotmail.com | 1973-10-09 | M    | N        | NULL            |     NULL |
| 19 | Apartment #9, West Towers           | 5476565 | jire@hotmail.com | 1973-01-20 | M    | N        | NULL            |     NULL |
| 20 | 90 Yale Town                        | 7528326 | help@more.org | 1968-01-25 | F    | N        | NULL            |     NULL |
| 21 | 4329 Eucalyptus Avenue              | 4254863 | money@cold.com | 1964-06-13 | M    | Y        | Ruby Richer     |        2 |
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
21 rows in set (0.00 sec)

mysql> update employee SET
    ->        title = 'Web Developer'
    ->        WHERE title = 'Web Designer';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2  Changed: 2  Warnings: 0

mysql> select * from employee_person;
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
| id | address                             | phone   | email | birthday   | sex  | m_status | s_name          | children |
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
|  1 | 200, Regina Street                  | 7176666 | net@hotmail.com | 1971-04-26 | M    | Y        | Ane Regina      |     NULL |
|  2 | 1232 Alberta Road                   | 5553312 | jo@hotmail.com | 1968-03-02 | M    | Y        | Jane Van        |        3 |
|  3 | 90 Potter A                         | 3331211 | gp@ymail.com | 1967-09-22 | M    | N        | Sandhya Pil     |        2 |
|  4 | 202, Donna Street                   | 7176167 | twink@hotmail.com | 1976-08-09 | F    | Y        | Manish Sha      |     NULL |
|  5 | Apartment #8, UBC, Van Street       | 8973242 | holy@ymail.com | 1974-10-14 | F    | N        | NULL            |     NULL |
|  6 | 46 SFU Street                       | 6451234 | kill@el.com | 1978-12-31 | M    | N        | NULL            |     NULL |
|  7 | 432 Mercury Ave                     | 7932232 | mac@hotmail.com | 1966-08-21 | M    | Y        | Mary Shelly     |        3 |
|  8 | 8 Little YaleTown                   | 5442994 | edd@gmail.com | 1975-01-14 | M    | N        | NULL            |     NULL |
|  9 | 64 Temp Road                        | 4327652 | nan@pmail.com | 1969-05-19 | M    | Y        | Man Nanda       |        1 |
| 10 | 132 Metro House, Henry Street       | 5552376 | ra@hotmail.com | 1968-07-06 | M    | N        | NULL            |     NULL |
| 11 | 1 Grace Town, Van Avenue            | 5433879 | soundofsilence@boxer.net | 1957-11-04 | M    | Y        | Muriel Lovelace |        4 |
| 12 | 97 Oakland Road                     | 5423311 | kingarthur@roundtable.org | 1968-02-15 | M    | Y        | Rina Brighton   |        3 |
| 13 | 543 Applegate Lane                  | 3434343 | levy@cmail.com | 1968-09-03 | F    | Y        | Matt Shi        |        2 |
| 14 | 76 Fish Street                      | 7432433 | tink@email.com | 1965-04-28 | M    | N        | NULL            |     NULL |
| 15 | 98 Gun Street                       | 6500787 | danny@fhardy.com | 1966-06-23 | M    | Y        | Betty Cudly     |        3 |
| 16 | #5 Winnepag Homes                   | 5433243 | mike@cmail.com | 1964-03-06 | M    | Y        | Stella Stevens  |        2 |
| 17 | 652 Devon Building, 6th Jade Avenue | 5537885 | mona@darling.com | 1970-04-18 | F    | Y        | Edgar Alan      |        1 |
| 18 | Apartment #9, Together Towers       | 5476565 | odessey@hotmail.com | 1973-10-09 | M    | N        | NULL            |     NULL |
| 19 | Apartment #9, West Towers           | 5476565 | jire@hotmail.com | 1973-01-20 | M    | N        | NULL            |     NULL |
| 20 | 90 Yale Town                        | 7528326 | help@more.org | 1968-01-25 | F    | N        | NULL            |     NULL |
| 21 | 4329 Eucalyptus Avenue              | 4254863 | money@cold.com | 1964-06-13 | M    | Y        | Ruby Richer     |        2 |
+----+-------------------------------------+---------+---------------------------+------------+------+----------+-----------------+----------+
21 rows in set (0.00 sec)

*/
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_person;


update employee SET
       title = 'Web Developer'
       WHERE title = 'Web Designer';
       
select from employee_person;       
           
       
Related examples in the same category
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.