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MySQL Append String
Posted on: December 9, 2010 at 12:00 AM
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This example illustrates how to append string of different column.

MySQL Append String

This example illustrates how to append string of different column.

In this example we create a table 'mca' with 'studentid', 'sectionid', 'courseid' and 'time'. In the table we insert value by using 'INSERT' query. The 'SELECT' query is used to append value of 'time' and 'sectionid' which display in the output below.

Query

CREATE TABLE mca (
    studentid  INT NOT NULL,
    sectionid  INT NOT NULL,
    courseid   INT NOT NULL PRIMARY KEY,
    time       VARCHAR(50)
 );

Query

INSERT INTO mca (studentid,sectionid,courseid,time) 
   VALUES (1,1,6,'Mon 09:30-11:00');
INSERT INTO mca (studentid,sectionid,courseid,time) 
    VALUES (2,2,5,'Mon 11:30-12:00, Thu 09:00-11:00');
INSERT INTO mca (studentid,sectionid,courseid,time) 
   VALUES (3,3,3,'Mon 14:30-16:00');

Query

SELECT studentid, CONCAT(time, ', section ', sectionid) 
    AS ClassDetails FROM mca;

Output

+-----------+---------------------------------------------+
| studentid | ClassDetails                                |
+-----------+---------------------------------------------+
| 3         | Mon 14:30-16:00, section 3                  |
| 2         | Mon 11:30-12:00, Thu 09:00-11:00, section 2 |
| 1         | Mon 09:30-11:00, section 1                  |
+-----------+---------------------------------------------+

 

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Posted on: December 9, 2010

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