Aug 1, 2009 · Also note if the data type has a set length, eg. VARCHAR (50) one can use SELECT COLUMN_TYPE to get that extra information.

Dec 10, 2008 · 122 I am setting up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there …

Mar 7, 2014 · Simple question: How can I return the field type of a MySQL table. I know about describe or show column but I just want to return that single parameter. e.g.: SELECT fieldtype (mycol) FROM …

Aug 31, 2009 · I want to change the data type of multiple columns from float to int. What is the simplest way to do this? There is no data to worry about, yet.

Nov 14, 2008 · Since MySQL doesn't seem to have any 'boolean' data type, which data type do you 'abuse' for storing true/false information in MySQL? Especially in the context of writing and reading …

Jan 20, 2011 · I'm using MySQL version 5.1.49-1ubuntu8.1. It allows me to define columns of two different data types: BOOL and BOOLEAN. What are the differences between the two types?

Jan 1, 2010 · I am trying to find some way to relate column types across the the most used Databases: MySQL, PostgreSQL, and SQLite. Here is what I have so far, but I'm afraid it's not done and I need …

Historically people have stored lists/arrays in MySQL by creating a table that describes them and adding each value as its own record. The table may have only 2 or 3 columns, or it may contain many more. …

Oct 6, 2009 · The MySQL function describe table should get you where you want to go (put your table name in for "table"). You'll have to parse the output some, but it's pretty easy. As I recall, if you …

Oct 29, 2019 · You cannot define the data types in a view and mysql is very restrictive in the types that can be cast to (for example you cannot cast to int (2)) apart from anything else in int (2) the 2 is a …