SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

$query = 'SELECT start_date FROM users INNER JOIN vacation ON DATE(start_date) <= DATE(end_date)'; $parser = new \PHPSQLParser\PHPSQLParser($query, true); # Error ...

select row_number() OVER (PARTITION BY e.person_id ORDER BY e.start_date ASC) ordinal from ( select person_id, CAST('2011-01-01' AS TIMESTAMP) as start_date from synpuf_53_test.OBSERVATION_PERIOD ) e ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...