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MySQL SELECT statement: Columns, DISTINCT, and calculations beginner tutorial

The MySQL SELECT statement controls which columns and values appear in query results, making it one of the most important ...
techtarget

What is Structured Query Language (SQL)?

Structured Query Language (SQL) is a standardized programming language that is used to manage relational databases and perform various operations on the data in them. Initially created in the 1970s, ...
Ars Technica

[SQL] Handle SELECT INTO #TempTable In IF/ELSE Statement

What the best way to work around this? I have the same SELECT statement but there are different criteria depending on the IF check. Well, if you happen to be using Sql Server you can do that sort of ...
techtarget

Executing SQL statements using prepared statements and statement pooling

A prepared statement is a SQL statement that has been compiled, or prepared, into an access or query plan for efficiency. A prepared statement is available for reuse by the application without the ...

5 Points to Check First When SQL Is Slow: How to Improve Execution Plans, Indexes, and JOINs

When you execute an SQL query, the results do not return quickly.You may have had no issues during development, but the ...
Ars Technica

Speeding up SQL/VB.NET application.

I have written an application that takes in a fixed-width file (thanks in no small part to advice I recieved in a seperate thread) and then dissasembles each line, runs a fairly meaty SQL SELECT query ...
CCM

How to avoid duplicate records in SQL: select query

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.
Simon Fraser University

Retrieving DBMS Data with a Pass-Through Query

This section describes how to retrieve DBMS data by using the statements and components of the SQL Procedure Pass-Through Facility to access DBMS data. The Pass-Through Facility uses the SAS/ACCESS ...