Extensions to Standard SQL
by Ryan K. Stephens, Ronald R. Plew
Sams Teach Yourself SQL in 24 Hours, Second Edition
- Copyright
- Acknowledgments
- About the Authors
- Tell Us What You Think!
- Introduction
- A SQL Concepts Overview
- Building Your Database
- Getting Effective Results from Queries
- Building Sophisticated Database Queries
- SQL Performance Tuning
- Using SQL to Manage Users and Security
- Summarized Data Structures
- Applying SQL Fundamentals in Today's World
- Appendixes
- Common SQL Commands
- ASCII Table
- Answers to Quizzes and Exercises
- Hour 1, "Welcome to the World of SQL"
- Hour 2, "Defining Data Structures"
- Hour 3, "Managing Database Objects"
- Hour 4, "The Normalization Process"
- Hour 5, "Manipulating Data"
- Hour 6, "Managing Database Transactions"
- Hour 7, "Introduction to the Database Query"
- Hour 8, "Using Operators to Categorize Data"
- Hour 9, "Summarizing Data Results from a Query"
- Hour 10, "Sorting and Grouping Data"
- Hour 11, "Restructuring the Appearance of Data"
- Hour 12, "Understanding Dates and Time"
- Hour 13, "Joining Tables in Queries"
- Hour 14, "Using Subqueries to Define Unknown Data"
- Hour 15, "Combining Multiple Queries into One"
- Hour 16, "Using Indexes to Improve Performance"
- Hour 17, "Improving Database Performance"
- Hour 18, "Managing Database Users"
- Hour 19, "Managing Database Security"
- Hour 20, "Creating and Using Views and Synonyms"
- Hour 21, "Working with the System Catalog"
- Hour 22, "Advanced SQL Topics"
- Hour 23, "Extending SQL to the Enterprise, the Internet, and the Intranet"
- Hour 24, "Extensions to Standard SQL"
- CREATE TABLE Statements for Book Examples
- INSERT Statements for Data in Book Examples
- Glossary
- Index
Hour 24. Extensions to Standard SQL
This hour covers extensions to ANSI-standard SQL. Although most implementations conform to the standard for the most part, many vendors have provided extensions to standard SQL through various enhancements.
The highlights of this hour include
Various implementations
Differences between implementations
Compliance with ANSI SQL
Interactive SQL statements
Using variables
Using parameters
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