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How to apply Substring() for fields in MySQL to get part of string?
You can use substring() for fields in MySQL to get part of string. Following is the syntax −
select substring(yourColumnName,yourStartingIndex,yourEndingIndex) from yourTableName;
Let us first create a table −
mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Title longtext ); Query OK, 0 rows affected (0.57 sec)
Insert records in the table using insert command −
mysql> insert into DemoTable(Title) values('MySQL is a relational database management system');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable(Title) values('MongoDB is a popular No SQL database');
Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement −
mysql> select * from DemoTable;
This will produce the following output −
+----+--------------------------------------------------+ | Id | Title | +----+--------------------------------------------------+ | 1 | MySQL is a relational database management system | | 2 | MongoDB is a popular No SQL database | +----+--------------------------------------------------+ 2 rows in set (0.00 sec)
Following is the query to use substring() method for fields −
mysql> select substring(Title,1,21) from DemoTable;
This will produce the following output −
+-----------------------+ | substring(Title,1,21) | +-----------------------+ | MySQL is a relational | | MongoDB is a popular | +-----------------------+ 2 rows in set (0.00 sec)
Updated on: 30-Jul-2019
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