SQL All-in-One For Dummies
Allen G. Taylor
- English
- ePUB (mobile friendly)
- Available on iOS & Android
SQL All-in-One For Dummies
Allen G. Taylor
About This Book
The latest on SQL databases
SQL All -In-One For Dummies, 3rd Edition, is a one-stop shop for everything you need to know about SQL and SQL-based relational databases. Everyone from database administrators to application programmers and the people who manage them will find clear, concise explanations of the SQL language and its many powerful applications.
With the ballooning amount of data out there, more and more businesses, large and small, are moving from spreadsheets to SQL databases like Access, Microsoft SQL Server, Oracle databases, MySQL, and PostgreSQL. This compendium of information covers designing, developing, and maintaining these databases.
- Cope with any issue that arises in SQL database creation and management
- Get current on the newest SQL updates and capabilities
- Reference information on querying SQL-based databases in the SQL language
- Understand relational databases and their importance to today's organizations
SQL All-In-One For Dummies is a timely update to the popular reference for readers who want detailed information about SQL databases and queries.
Frequently asked questions
Information
SQL Concepts
Contents at a Glance
- Chapter 1: Understanding Relational Databases
- Understanding Why Todayâs Databases Are Better than Early Databases
- Databases, Queries, and Database Applications
- Examining Competing Database Models
- Why the Relational Model Won
- Chapter 2: Modeling a System
- Capturing the Usersâ Data Model
- Translating the Usersâ Data Model to a Formal Entity-Relationship Model
- Chapter 3: Getting to Know SQL
- Where SQL Came From
- Knowing What SQL Does
- The ISO/IEC SQL Standard
- Knowing What SQL Does Not Do
- Choosing and Using an Available DBMS Implementation
- Chapter 4: SQL and the Relational Model
- Sets, Relations, Multisets, and Tables
- Functional Dependencies
- Keys
- Views
- Users
- Privileges
- Schemas
- Catalogs
- Connections, Sessions, and Transactions
- Routines
- Paths
- Chapter 5: Knowing the Major Components of SQL
- Creating a Database with the Data Definition Language
- Operating on Data with the Data Manipulation Language (DML)
- Maintaining Security in the Data Control Language (DCL)
- Chapter 6: Drilling Down to the SQL Nitty-Gritty
- Executing SQL Statements
- Using Reserved Words Correctly
- SQLâs Data Types
- Handling Null Values
- Applying Constraints
Understanding Relational Databases
Understanding Why Todayâs Databases Are Better than Early Databases
Irreducible complexity
Managing data with complicated programs
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- Storage requirements are minimized. Because the data files contain nothing but data, they take up a minimum amount of space on hard disks or other storage media. The code that must b...