In this example, Transact-SQL will create a new table with all columns from the rows in "old_table" in which the last name starts with "Ja." ...

The third form of the CREATE TABLE statement stores the results of any query-expression in a table and does not display the output. It is a convenient way to create temporary tables that are subsets ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

CREATE PROCEDURE GetCustomer AS Next, you must add the SQL code specifically for a stored procedure, and it must look similar to the first example above.

Queries are the database equivalent of filters in a spreadsheet. Just as a filter can limit and reorganize the information displayed in a spreadsheet, so a query limits and reorganizes the information ...

Today’s README file explains how to create connection strings to SQL Server databases using Visual Studio’s built-in tools. To provide an example using real source, I created a simple Winforms ...

Beyond these data issues, the query as defined brings with it some performance issues, especially at the database level. Some databases, like SQL Server, send incoming queries through a compilation ...