I understand the importance of salts, hashes and all that good stuff for passwords. My question relates to relational database theory.
I have been trying for the past few hours to get this, 开发者_高级运维I have included below the only answer I have worked out that seems like it may go somewhere, can someone tell me if I am on the ri
Does anyone know of a good website, book or any other resources that would explain dependency theory well? I am stuck on a similar question to the one shown bel开发者_JAVA百科ow:
I have located many resources on the web giving general overviews of MVCC (multi-version concurrency control) concepts, but no detailed technical references on exactly how it should work or be impleme
In a database, one may create a many-to-many relationship between tables by creating a third table which maps the two together using foreign keys.What is the 开发者_StackOverflowrelationship between t
Given the Relation R with attributes ABCDE. You are given the follow开发者_如何学编程ing dependencies: A -> B, BC -> E, and ED -> A. I already have the answer which is CDE, ACD, and BCD. I just need t
I am creating multiple checkboxes with the same name and I need to know how I can get the value of the array when I submit the form? I am using CakePHP
Suppose I have a system where I have metadata such as: table: ====== key name address ... Then suppose I have a user-defined type described as so:
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When I write SQL queries, I find myself often thinking that \"there\'s no way to do this with a single query\".When that happens I often turn to stored procedures or multi-statement table-valued funct
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