Getting Started with SQL and Databases
Managing and Manipulating Data with SQL
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Beschreibung
Learn the basics of writing SQL scripts. Using Standard SQL as the starting point, this book teaches writing SQL in various popular dialects, including PostgreSQL, MySQL/MariaDB, Microsoft SQL Server, Oracle, and SQLite.
The book starts with a general introduction to writing SQL and covers the basic concepts. Author Mark Simon then covers database principles, and how database tables are designed. He teaches you how to filter data using the WHERE clause, and you will work with NULL, numbers, dates, and strings. You will also understand sorting results using the ORDER BY clause, sorting by calculated columns, and limiting the number of results. By the end of the book, you will know how to insert and update data, and summarize data with aggregate functions and groups. Three appendices cover differences between SQL dialects, working with tables, and a crash course in PDO.
What You Will Learn
- Filter, sort, and calculate data
- Summarize data with aggregate functions
- Modify data with insert, update, and delete statements
- Study design principles in developing a database
Who This Book Is For
Developers and analysts working with SQL, as well as web developers who want a stronger understanding of working with databases
Mark Simon has been involved in training and education since the beginning of his career. He started as a teacher of mathematics and moved into IT consultancy and training. He has worked with and trained in several programming and coding languages, and currently focuses on web development and database languages.Learn the basics of writing SQL scripts. Using Standard SQL as the starting point, this book teaches writing SQL in various popular dialects, including PostgreSQL, MySQL/MariaDB, Microsoft SQL Server, Oracle, and SQLite.
The book starts with a general introduction to writing SQL and covers the basic concepts. Author Mark Simon then covers database principles, and how database tables are designed. He teaches you how to filter data using the WHERE clause, and you will work with NULL, numbers, dates, and strings. You will also understand sorting results using the ORDER BY clause, sorting by calculated columns, and limiting the number of results. By the end of the book, you will know how to insert and update data, and summarize data with aggregate functions and groups. Three appendices cover differences between SQL dialects, working with tables, and a crash course in PDO.
What You Will Learn
- Filter, sort, andcalculate data
- Summarize data with aggregate functions
- Modify data with insert, update, and delete statements
- Study design principles in developing a database
Who This Book Is For
Developers and analysts working with SQL, as well as web developers who want a stronger understanding of working with databases
Focuses on modern SQL techniques, including inner/outer joins, common table expressions, and creating and using views Includes weaknesses and edge cases to highlight areas where you need to be cautious Helps you link your SQL skills to database design principles, and shows how design affects your approach to SQL
Autor*in
Mark Simon
Themen in »Getting Started with SQL and Databases«
Database Training Material PHP SQL Microsoft PostgreSQL MySQL