FAQs, Help, and Tutorials SQL Languages Programming

Article by Mike Hillyer. Normalizing data is the most effective way to decrease storage requirements and increase data integrity. In this tutorial we cover the basics of data normalization.

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Introduction to Structured Query Language* - A good introduction to SQL selects, joins and grouping.

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  • An Introduction to Database Normalization - Article by Mike Hillyer. Normalizing data is sql the most sql effective way to decrease storage requirements sql and increase data integrity. sql In this tutorial we sql cover the basics of data normalization.
  • Steve Litt's SQL Troubleshooting Page - Tips on how to troubleshoot SQL queries.
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  • SQL Cheat Sheet: Query By Example - Provides ANSI-SQL solutions to common database query/update tasks. These apply languages to such relational databases as PostGreSQL, MySQL, Microsoft SQL Server, languages Oracle, Microsoft Access, SQLite.
  • Summarizing data with SQL (Structured Query Language) - This article provides a brief SQL How-to on languages how to sql summarize data. Most of the languages examples we provide will sql be based on the languages ANSI-SQL 92 standard. Some examples sql will show languages features specific to SQL Server 7.
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  • Intro To Structured Query Language (SQL) - A basic introduction to writing queries so that sql beginners can sql begin to extract data from an sql existing relational database.

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