Livre SQL Functions Programmer's Reference - A. Jones, R. Stephens, R. Plew, R. Garrett, A. Kriegel -

SQL Functions Programmer's Reference

Gives programmers two-in-one coverage, with both a "how-to" on SQL functions and a complete SQL functions reference
SQL is the standard language for database queries; this book's advanced coverage helps programmers write their own SQL functions
Covers both the internationally standardized SQL 99 functions and the hundreds of additional functions introduced by vendors, including the subtle variations required to successfully migrate or interoperate between vendor products
Covers the latest versions of the major relational database management system (RDMS) applications: Microsoft SQL Server, Oracle, IBM DB2, and MySQL

Chapter 1: Exploring Popular SQL Implementations
Chapter 2: Functions: Concept and Architecture
Chapter 3: Comparison of Built-in SQL Functions by Vendor
Chapter 4: SQL Procedural Extensions and User-Defined Functions
Chapter 5: Common ANSI SQL Functions
Chapter 6: Oracle SQL Functions
Chapter 7: IBM DB2 Universal Database (UDB) SQL Functions
Chapter 8: Microsoft SQL Server Functions
Chapter 9: Sybase ASE SQL Built-In Functions
Chapter 10: MySQL Functions
Chapter 11: PostgreSQL Functions
Chapter 12: ANSI SQL User-Defined Functions
Chapter 13: Creating User-Defined Functions in Oracle
Chapter 14: Creating User-Defined Functions with IBM DB2 UDB
Chapter 15: Creating User-Defined Functions Using Microsoft SQL Server
Chapter 16: Creating User-Defined Functions in Sybase SQL
Chapter 17: Creating User-Defined Functions in MySQL
Chapter 18: Creating User-Defined Functions in PostgreSQL
Chapter 19: Reporting and Ad Hoc Queries
Chapter 20: Using Functions for Migrating Data
Chapter 21: Using Functions to Feed a Data Warehouse
Chapter 22: Embedded Functions and Advanced Uses
Chapter 23: Generating SQL with SQL and SQL Functions
Chapter 24: SQL Functions in an Application
Chapter 25: Empowering the Query with Functions and Views
Chapter 26: Understanding the Impact of SQL Functions on Query and Database Performance
Chapter 27: Useful Queries from the System Catalog