[书籍] SQL Queries for Mere Mortals A Hands-on Guide t
出版社:
Pearson P T R
简介:
SQL Queries for Mere Mortals is the easiest， most practical guide to writing modern SQL queries. Now extensively updated to cover new database platforms and include more advanced techniques， it guides you step-by-step through creating and modifying queries for virtually any SQL-based database. Michael J. Hernandez and John L. Viescas demystify all facets of query writing with SQL， including： * Getting ready： understanding what relational databases are， and ensuring that your database structure is sound * Creating simple queries， going beyond simple columns， and filtering data * Working with multiple tables： sets， inner and outer joins， unions， and subqueries * Summarizing and grouping data * Modifying sets of data： updates， inserts， and deletions To support today's SQL user， this edition adds a new three-chapter section on solving tough problems. For the first time， Hernandez and Viescas teach you how to solve complex "Not" and "And" problems; work with unlinked tables; test conditions， and use driver tables. Packed with examples and visuals created with an updated sample database， SQL Queries for Mere Mortals， Third Edition is today's best way to master SQL -- whether you're a DBA， developer， user， or student.
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