But by gaining a better understanding of how databases translate SQL queries into execution plans, you can take steps to avoid these issues. In this course, Dan Sullivan shows you how to analyze query ...

In May 1974, Donald Chamberlin and Raymond Boyce published a paper on SEQUEL, a structured query language ... and then turn it into something the business can use. Similarly, SQL made it easier ...

To step away a little ... or any element can be sub-divided into more and more tiny grids. Queries can easily be wrapped around a new query. In doing this wrapping and replacing of columns and tables, ...