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- Author: Alice Zhao
- Publisher: O'Reilly Media
- ISBN-10: 1492090409
- ISBN-13: 9781492090403
- Format: 10.8 x 17.8 x 1.9 cm, minkšti viršeliai
- Language: English
- SAVE -10% with code: EXTRA
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Description
If you use SQL in your day-to-day work as a data analyst, data scientist, or data engineer, this popular pocket guide is your ideal on-the-job reference. 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.
In this updated edition, author Alice Zhao describes how these database management systems implement SQL syntax for both querying and making changes to a database. 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 SQL
- Apply the book's syntax examples to your own queries
- Update SQL queries to work in five different database management systems
- NEW: Connect Python and R to a relational database
- NEW: Look up frequently asked SQL questions in the "How Do I?" chapter
EXTRA 10 % discount with code: EXTRA
The promotion ends in 21d.21:16:57
The discount code is valid when purchasing from 10 €. Discounts do not stack.
- Author: Alice Zhao
- Publisher: O'Reilly Media
- ISBN-10: 1492090409
- ISBN-13: 9781492090403
- Format: 10.8 x 17.8 x 1.9 cm, minkšti viršeliai
- Language: English English
If you use SQL in your day-to-day work as a data analyst, data scientist, or data engineer, this popular pocket guide is your ideal on-the-job reference. 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.
In this updated edition, author Alice Zhao describes how these database management systems implement SQL syntax for both querying and making changes to a database. 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 SQL
- Apply the book's syntax examples to your own queries
- Update SQL queries to work in five different database management systems
- NEW: Connect Python and R to a relational database
- NEW: Look up frequently asked SQL questions in the "How Do I?" chapter
Reviews