If you´re a programmer or database administrator who uses SQL in your day-to-day work, this popular pocket guide is the ideal on-the-job reference. You´ll find many examples that address the language´s complexity, along with key aspects of SQL used in IBM DB2 Release 9.7, MySQL 5.1, Oracle Database 11g Release 2, PostgreSQL 9.0, and Microsoft SQL Server 2008 Release 2. SQL Pocket Guide describes how these database systems implement SQL syntax for querying, managing transactions, and making changes to data. It also shows how the systems use SQL functions, regular expression syntax, and type conversion functions and formats. All example SQL statements in this book execute against a set of tables, with data that you can quickly download. The third edition covers important database changes, including: * Oracle´s support of the recursive WITH syntax, and addition of PIVOT and UNPIVOT operators * Functions new to Oracle, such as LISTAGG, NTH_VALUE, and more * PostgreSQL?s support of recursive WITH and some window functions * DB2 syntax and datatypes, some compatible with Oracle * MySQL features such as the TIMESTAMP type and the TO_SECONDS function
These colorful programming study cards help new Python coders drill and reinforce the concepts, syntax, and terminology they´ll need to become successful professional programmers. Keep your coding skills sharp on the go! Python Flash Cards take a tried-and-tested method and give it a programming makeover. Eric Matthes, author of the best-selling Python Crash Course, distills essential Python programming knowledge into this 101-card deck you can use anywhere. Work through the deck in order or shuffle it up for a new study session every time. You can brush up foundational programming principles and vocabulary like data structures, logical control, and program flow, quiz yourself on Python syntax, and test your skills against exercises and challenges designed to keep you on your toes -- all in one sitting. Don´t let your Python training stop at the keyboard. With Python Flash Cards, the power of Python fits in your pocket.
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