Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

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 ...

This project demonstrates how to insert, update, and delete data in a relational database, while also handling NULL values and constraints. **Q1.Difference between NULL and 0 ** → NULL = ...

I need a little help understanding how to update/commit an Access DB table after I have loaded it into my application and altered the data and/or inserted rows with my local copy in ...