To write SQL queries that work on any database, you should use ANSI SQL as much as possible and avoid vendor-specific extensions, such as proprietary functions, data types, or syntax.

*I first begin by joining the Fact internet sales table to the customer dimension table using the customer key column, then proceed to joinning the currency dimension table to the fact table using the ...

Fetching data from the database takes a lot time process. eventually when you need to combine multiple tables in order to fetch the data, reducing database calls becomes very meaningful. although in ...

I'm willing to PayPal someone a few bucks if they can answer this. Or you can have my undying admiration and respect. Either one, fine with me.<BR><BR>I have a database table that stores the cost ...

Finding and displaying max, min, averages of data using SQL queries; Writing relatively complex queries involving joins, subqueries and Common Table Expressions. I was given a list of questions that ...