How should I store GUID in MySQL tables?
Do I use varchar(36) or are there any better ways to do it?
guid
Storing MySQL GUID/UUIDs
This is the best way I could come up with to convert a MySQL GUID/UUID generated by UUID() to a binary(16):
Would it help to add index to BIGINT column in MySQL?
I have a table that will have millions of entries, and a column that has BIGINT(20) values that are unique to each row. They are not the primary key, but during certain operations, there are thousands of SELECTs using this column in the WHERE clause.
Generate GUID in MySQL for existing Data?
I’ve just imported a bunch of data to a MySQL table and I have a column “GUID” that I want to basically fill down all existing rows with new and unique random GUID’s.
default value of GUID in for a column in mysql
I want a column to default to a GUID, so if I am doing an insert and I don’t explicitly set the value, I want it to default to a new GUID value.
How unique is the php session id
How unique is the php session id? I got the impression from various things that I’ve read that I should not rely on two users never getting the same sessionid. Isn’t it a GUID?
How to generate a new GUID?
I’m working on a web service which requires a new GUID() passed as a reference to a method within the service.
How to validate GUID is a GUID
How to determine if a string contains a GUID vs just a string of numbers.
How to generate random unique 16 digit number in asp.net without collision
how can i generate 16 digit unique random numbers without any repetition in c# asp.net, as i have read the concept of GUID which generate characters along with numbers but i don’t want characters