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Equaivalent of Oracle concatenation operator in MySQL?
The concat operator can be used in ORACLE. MySQL use concat() function to perform concatenation.
To understand the concat() function, let us create a table. The query to create a table is as follows −
mysql> create table ConcatenationDemo −> ( −> Id int, −> Name varchar(100) −> ); Query OK, 0 rows affected (0.86 sec)
Insert some records in the table using insert command. The query is as follows −
mysql> insert into ConcatenationDemo values(100,'John'); Query OK, 1 row affected (0.19 sec) mysql> insert into ConcatenationDemo values(101,'Sam'); Query OK, 1 row affected (0.25 sec) mysql> insert into ConcatenationDemo values(102,'Johnson'); Query OK, 1 row affected (0.15 sec) mysql> insert into ConcatenationDemo values(103,'Carol'); Query OK, 1 row affected (0.26 sec) mysql> insert into ConcatenationDemo values(104,'Bob'); Query OK, 1 row affected (0.13 sec)
Display all records from the table using select statement. The query is as follows −
mysql> select *from ConcatenationDemo;
The following is the output −
+------+---------+ | Id | Name | +------+---------+ | 100 | John | | 101 | Sam | | 102 | Johnson | | 103 | Carol | | 104 | Bob | +------+---------+ 5 rows in set (0.00 sec)
Here is the query to perform concatenation in MySQL −
mysql> select concat('(',Id,',',Name,')') as ConcatIdAndName from ConcatenationDemo;The following is the output displaying the concatenated result −
+-----------------+ | ConcatIdAndName | +-----------------+ | (100,John) | | (101,Sam) | | (102,Johnson) | | (103,Carol) | | (104,Bob) | +-----------------+ 5 rows in set (0.00 sec)
Updated on: 30-Jul-2019
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