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Multiple values in column in MySQL

开发者 https://www.devze.com 2023-04-12 06:38 出处:网络
I want to create a table which contains a field with multiple values. I familiar with the \"set\" type, but the problem is that I don\'t know exactly all the value in advanced.

I want to create a table which contains a field with multiple values. I familiar with the "set" type, but the problem is that I don't know exactly all the value in advanced.

Doe开发者_Go百科s anyone know a solution?

Thanks


You can put them as comma-separated values (strings) in the column, and use the find_in_set function to query (in case you want to).

ADD:

You could later query as shown below:

For instance, to search for all rows which have value1 as a value in that column, use this:

SELECT T1.column
FROM Table T1 
WHERE find_in_set('value1', T1.column) > 0;


Depending of the programming language you will use You may want to serialize the data and use a VARCHAR (long) or BLOB type. This way, you can put almost anything to your field like an array with multiple data type. In php the description is simple :

serialize — Generates a storable representation of a value

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