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Mysql Left

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Mysql Left is used to return the Left String character from a String.

Mysql Left

     

Mysql Left is used to return the Left String character from a String.

Understand with Example

The Tutorial illustrate an example from 'Mysql Left'. To understand example we create a table 'employee1'  with given specified fieldnames and datatypes.

 

 

 

Query to Create Table named employee1:

mysql>CREATE TABLE employee1 (              
         ->    Empid int(10),         
         ->    Empname varchar(60),   
         ->    date date 
         ->  );

Query to insert data into Table named employee1:

The insert into adds the records or rows to the table 'employee1'.

mysql>insert into employee1 values(01,'Girish','2008-12-20');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(02,'Komal','2008-12-21');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(03,'vineet','2008-12-21');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(04,'Amit','2008-12-20');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(02,'Komal','2008-12-23');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(02,'Sandeep','2008-12-24');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(02,'suman','2008-12-25');
Query OK, 1 row affected (0.02 sec)
mysql>insert into employee1 values(01,'AAA',' 2008-12-03');
Query OK, 1 row affected (0.02 sec)

Query to view data of  Table named employee1:

The Query select is used to view the records from table 'employee1'.

mysql> select * from employee1;

Output:-

+-------+---------+------------+
| Empid | Name    | DOB        |
+-------+---------+------------+
| 1     | Girish  | 2008-12-20 |
| 2     | Komal   | 2008-12-21 |
| 3     | vineet  | 2008-12-21 |
| 4     | Amit    | 2008-12-20 |
| 2     | Komal   | 2008-12-23 |
| 2     | Sandeep | 2008-12-24 |
| 2     | suman   | 2008-12-25 |
| 1     | AAA     | 2008-12-03 |
+-------+---------+------------+
8 rows in set (0.00 sec)

Query to view data of  Table named employee1 using Left:

The Query is used to return the left string character from string. In this example the query return left string character from string 'GirishTewari' as Left String. The '6' return the length of string character upto which we can extract the character from left string. 

mysql> SELECT left ('GirishTewari',6)as LeftString;

Output:-

+------------+
| LeftString |
+------------+
| Girish     |
+------------+
1 row in set (0.00 sec)
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Posted on: January 17, 2009

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