I have a Enum column – for example: deviceType; in a table with 8 different values for the enum. How to get columns – for example – imeiId and macId; based on the values. For example, get ImeiId based on 4 enum values, and get MacId based on other 4 enum values. Note: All columns … Read more
In my MySQL database, there’s the column “gender enum(‘male’,’female’)”
My requirement
Is there a performance advantage to using enum in situations where there are only 5-10 different possible values for a field? if not what is the advantage?
There is a field ‘noticeBy’ enum(’email’,’mobile’,’all’,’auto’,’nothing’) NOT NULL DEFAULT ‘auto’. As it known ordering by ENUM field performs relative to its index. However, how it possible make order by its values?
The MySQL reference manual does not provide a clearcut example on how to do this.
I’m working on a project and I want to store some easily enumerated information in a table. MySql’s enum data type does exactly what I want: http://dev.mysql.com/doc/refman/5.0/en/enum.html . Is there an equivalent in SQL Server 2005?
I want to limit the datatype value that can be stored within a field to a specific range of integer values: [0,10].
I am using an ENUM data type in MySQL and would like to reuse it, but not retype in the values. Is there an equivalent to the C, C++ way of defining types in MySQL?
I need to select the enum values of a column. From searching I’ve found two ways:
