Publisher's Synopsis
SQL is the language of data, and therefore the intermediary language for those who straddle the line between technology and business. Every business application needs a database and SQL is the key to working with these databases. Nick Harrison's SQL Queries will show you how to craft queries in SQL, from basic CRUD statements and slicing and dicing the data, to applying filters and using aggregate functions to summarize the data. You will look at solving common problems, navigating hierarchical data, and exploring the data dictionary. This updated and expanded second edition of Book provides a user-friendly introduction to the subject, Taking a clear structural framework, it guides the reader through the subject's core elements. A flowing writing style combines with the use of illustrations and diagrams throughout the text to ensure the reader understands even the most complex of concepts. This succinct and enlightening overview is a required reading for all those interested in the subject . We hope you find this book useful in shaping your future career & Business.
