SQL Queries for Mere Mortals 4th Edition

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SQL Queries for Mere Mortals 4th Edition
SQL Queries for Mere Mortals 4th Edition 9780134858333.pdf (12.87 MB, 需要: 2 个论坛币)

2019-6-11 09:55:56 上传

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Series: For Mere Mortals

Paperback: 960 pages
Publisher: Addison-Wesley Professional; 4 edition (February 19, 2018)
Language: English
ISBN-10: 0134858336
ISBN-13: 978-0134858333

Coverage includes:
•Getting started: understanding what relational databases are, and ensuring that your database structures are sound
•SQL basics: using SELECT statements, creating expressions, sorting information with ORDER BY, and filtering data using WHERE
•Summarizing and grouping data with GROUP BY and HAVING clauses
•Drawing data from multiple tables: using INNER JOIN, OUTER JOIN, and UNION operators, and working with subqueries
•Modifying data sets with UPDATE, INSERT, and DELETE statements
•Advanced queries: complex NOT and AND, conditions, if-then-else using CASE, unlinked tables, driver tables, and more
•NEW! Using advanced GROUP BY keywords to create subtotals, roll-ups, and more
•NEW! Applying window functions to answer more sophisticated questions, and gain deeper insight into your data

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