There are four basic types of data queries in SQL: SELECT: This statement asks the database to return a specified result set of data; you use this to retrieve information that is stored in your ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

SQL Basics I: Data Queries —covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

Both of these have roots in early CODASYL specifications. The third sub-language in SQL declares queries, through the SELECT statement and relational joins.

Everyone wants faster database queries, and both SQL developers and DBAs can turn to many time-tested methods to achieve that goal. Unfortunately, no single method is foolproof or ironclad. But ...

However, there are any number of queries in any application that SQL Server may never see again (at least in, for example, the next 24 hours). The plans for these "one-time" queries are taking up ...

Code Focused Generating .NET POCO Classes for SQL Query Results A free tool to reduce coding for developers who like to surface T-SQL database recordsets in a simple collection of customized POCO ...