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 ...

Overview: Text-to-SQL simplifies queries but can misinterpret data structures and phrases.Ensuring up-to-date schema info and providing examples improves accura ...

Using the query from the last example, you can build a new table from the results of your latest query. Select OK to return to the SQL QUERY TABLES window. SAMPLE.WAGE is now in the list of Available ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

As you will see in this chapter, companies use SQL Server for many types of applications and on most tiers now. Gone are the days when you would second guess yourself choosing to use SQL Server over a ...

Knowing exactly what in-memory OLTP tables are used for will help you make the most of one of SQL Server's newest features. While in-memory online transaction processing (OLTP) tables may sound like a ...