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Find out if a varchar contains a percent sign in MySQL?
To find out a varchar contains a percent sign in MySQL, you can use LIKE operator. The syntax is as follows −
SELECT * FROM yourTableName WHERE yourColumnName like '%|%%' escape '|';
To understand the above syntax, let us create a table. The query to create a table is as follows −
mysql> create table FindPercentInVarcharDemo -> ( -> Id int NOT NULL AUTO_INCREMENT, -> Words varchar(30), -> PRIMARY KEY(Id) -> ); Query OK, 0 rows affected (0.51 sec)
Insert some records with % sign using insert command. The query is as follows −
mysql> insert into FindPercentInVarcharDemo(Words) values('This is a My%SQL Program');
Query OK, 1 row affected (0.19 sec)
mysql> insert into FindPercentInVarcharDemo(Words) values('Java is an object oriented');
Query OK, 1 row affected (0.19 sec)
mysql> insert into FindPercentInVarcharDemo(Words) values('C# is also an object%oriented');
Query OK, 1 row affected (0.57 sec)Display all records from the table using select statement. The query is as follows −
mysql> select *from FindPercentInVarcharDemo;
The following is the output −
+----+-------------------------------+ | Id | Words | +----+-------------------------------+ | 1 | This is a My%SQL Program | | 2 | Java is an object oriented | | 4 | C# is also an object%oriented | +----+-------------------------------+ 3 rows in set (0.00 sec)
The following is the query to find out varchar contains % sign. The query is as follows −
mysql> select *from FindPercentInVarcharDemo where Words like '%|%%' escape '|';
The following is the output displaying only the values with a % sign −
+----+-------------------------------+ | Id | Words | +----+-------------------------------+ | 1 | This is a My%SQL Program | | 4 | C# is also an object%oriented | +----+-------------------------------+ 2 rows in set (0.00 sec)
Updated on 30-Jun-2020 07:31:59
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