Description
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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