SQL Pocket Guide
SQL Pocket Guide If you use SQL in your day-to-day work as a data analyst, data scientist, or data engineer, this popular pocket guide is the ideal on-the-job reference. You'll find details on data…
Specifikacia SQL Pocket Guide
SQL Pocket Guide
If you use SQL in your day-to-day work as a data analyst, data scientist, or data engineer, this popular pocket guide is the ideal on-the-job reference. You'll find details on data types and conversions, regular expression syntax, window functions, pivoting and unpivoting, and more.Quickly look up how to perform specific tasks using SQLApply the book's syntax examples to your own queriesUpdate SQL queries to work in five different database management systemsNEW: Connect Python and R to a relational databaseNEW: Look up You'll find many examples that address the language's complexities, along with key aspects of SQL used in Microsoft SQL Server, MySQL, Oracle Database, PostgreSQL, and SQLite.The updated edition describes how these database management systems implement SQL syntax for both querying and making changes to a database.
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