How to concatenate two columns in a mySQL table?

How do I concatenate two columns of data in MySQL?

1CONCAT. This function is used to concatenate multiple columns or strings into a single one. ... 2CONCAT_WS. The CONCAT_WS() function not only adds multiple string values and makes them a single string value. ... 3Using them in WHERE CLAUSE. You can use both of them in WHERE CLAUSE for selection based on condition. ... 4Conclusion.

How do I concatenate two columns in a table in SQL?

MySQL CONCAT() Function The CONCAT() function adds two or more expressions together. Note: Also look at the CONCAT_WS() function.

Can we concatenate two columns in SQL?

SELECT SOME_OTHER_COLUMN, CONCAT(FIRSTNAME, ',', LASTNAME) AS FIRSTNAME FROM `customer`; Using * means, in your results you want all the columns of the table. In your case * will also include FIRSTNAME . You are then concatenating some columns and using alias of FIRSTNAME .

How do I concatenate two columns from two tables?

Merging tables by columns. Multiple tables can be merged by columns in SQL using joins. Joins merge two tables based on the specified columns (generally, the primary key of one table and a foreign key of the other). Below is the generic syntax of SQL joins.