How can I set a minimum length for my primary key ID which is auto incremented. Now the auto increment starts at 1 and goes up from there. However I would li开发者_StackOverflowke the id to be at leas
I have a Posts table with a Version number column to keep track of the nth revision for each record. Every time a row is updated, I would like its Version number to be incremented.
What i would like to do is add a user to the DB. I have an id that auto-increments each time a user is added, but the problem is that i would like to get the id back from the user i just added and i w
Say I have a Projects table in a database to track active projects, as well as a Tasks table that tracks the Tasks for each Project. Each table has a normal auto generated primary key, however I also
I have two tables, with the same structure, order_old and order_new. Key field on both is order_id which is auto_increment. order_old has 590 records in it, order_new has 100; I want to copy/add all t
i\'ve got hundreds of people joining my website and create an membership id for them. i just created a new column in the database called user_no.
Today I\'ve encountered one of the str开发者_如何学JAVAangest things with MySQL I\'ve seen. I have a trivial table:
I\'m building a Q&A site. I want to store both questions and answers in the same table: CREATE TABLE Q_n_A (
I need开发者_开发技巧 to set the auto increment option for a particular column in a row of a database to be true so that the value increments each time a new row is inserted.
I have created a table using mysql: CREATE TABLE JobCard ( ID INT NOT NULL AUTO_INCREMENT PRIMARY KEY, JobNo Long,
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