#MYSQL CONCAT STRING WITH COLUMN VALUE HOW TO#
#MYSQL CONCAT STRING WITH COLUMN VALUE FULL#

#MYSQL CONCAT STRING WITH COLUMN VALUE HOW TO#

I can't figure out how to concat a string to a variable to use in a query. The result I want is select APPROP1 FROM PR.EARNINGS What happens is I get a system created column with APPROP1 inside it. I tried select concat('APPROP',APPROPRIATION) In this same procedure I need to query pr.earnings for by taking the string 'APPROP' and concatenating the APPROPRIATION variable from the query. In that table I have a columns named APPROP1 through APPROP4. The appropriation variable contains one character and it is a number from 1-4. INTO TRANSACTION_TYPE, HOURS, RATE, FACTOR, APPROPRIATION In this short article, we have learnt how to concatenate multiple strings using concat() function.I have a procedure where I query table a and create variables like this SELECT TRCODE, COLA, COLB, COLC, COLD However, please note, if any of the strings in concat() function is NULL, then the result of concatenation is NULL. SELECT CONCAT(first_name, ' ', last_name,', ', cast(Age as char)) AS student_details FROM students However, if you get an error saying type mismatch, then you can always use cast(), convert() or format() function to convert the data into string before combining with other strings. Generally, concat() function will automatically convert non-string data types like integers & dates into strings before concatenation, as seen in the above example. SELECT CONCAT(first_name, ' ', last_name, ', ', Age) AS student_details FROM students

#MYSQL CONCAT STRING WITH COLUMN VALUE FULL#

In the following query, we add age details after the full name, along with a comma in between. If you want to concatenate columns with comma then you can add it within quotes, as an argument in concat() function, as shown below. Here is an example where we don’t alias the concat() function SELECT CONCAT(first_name, ' ', last_name) FROM students If you don’t provide an alias to the concat() function then column name of result will be the entire concat() function as defined in the SQL query. SELECT CONCAT(first_name, ' ', last_name) AS Full_name FROM students Here is an example to concatenate first_name and last_name column with a space in between to obtain full name. Each string can be a literal within single/double quotes or a column name. In the above function, you need to specify the strings to be concatenated, in a comma-separated manner – first string as first argument, second string as second argument, and so on. Here is the syntax for concat() concat(string1, string2. Here are the steps to concatenate strings in MySQL.Ĭoncat() is the most common function to concatenate strings in MySQL. We will use concat() function to concatenate strings in MySQL, since it allows you to concatenate literals with other literals or with columns, and it also allows concatenation between only columns, even if they have different data types.

In this article, we will learn how to concatenate strings in MySQL, with different use cases. They may be of same of different data types. Sometimes you may need to concatenate strings in MySQL. MySQL provides many useful functions to work with string literals and text based columns.

Mysql concat string with column value