Автор: Ben Forta
Издательство: Sams Publishing
Год: 2020
Формат: true pdf/epub
Страниц: 306
Размер: 10.3 Mb
Язык: English
Sams Teach Yourself SQL in 10 Minutes offers straightforward, practical answers when you need fast results.
By working through the book’s 22 lessons of 10 minutes or less, you’ll learn what you need to know to take advantage of the SQL language.
Lessons cover IBM DB2, Microsoft SQL Server and SQL Server Express, MariaDB, MySQL, Oracle and Oracle express, PostgreSQL, and SQLite.
Full-color code examples help you understand how SQL statements are structured
Tips point out shortcuts and solutions
Cautions help you avoid common pitfalls
Notes explain additional concepts, and provide additional information
10 minutes is all you need to learn how to…
Use the major SQL statements
Construct complex SQL statements using multiple clauses and
operators
Retrieve, sort, and format database contents
Pinpoint the data you need using a variety of filtering techniques
Use aggregate functions to summarize data
Join two or more related tables
Insert, update, and delete data
Create and alter database tables
Work with views, stored procedures, and more