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 stands for ‘Structured Query Language’. This is basically a declarative language used for storing and retrieving data in a database. If you’ve heard of SQL, it’s probably in the ...

How to Build a Query String in T-SQL. Dynamic SQL lets you create a query ... It retrieves data from a database and adds data into your server's tables. ... The query runs, and you see a list of ...