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 ...

So, it looks like you can't do a statement like this:<BR><BR>IF <BR> SELECT *<BR> INTO #Temp<BR>ELSE<BR> SELECT *<BR> INTO #Temp<BR> WHERE....<BR><BR>What the best way to work around this?

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...

This example retrieves the rows from the SalesOrders table that were current at a specific time on Dec. 31: Select * From dbo.Orders FOR SYSTEM_TIME AS OF '2017-10-31 17:46:38.1500000' As is often the ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

Reindexing tables is an important part of good database housekeeping, because it reorganizes the indexes and restores speedy access. Microsoft's SQL Server has a handy command that rebuilds all ...

Use SQL to quickly create a new table from existing records in Access Your email has been sent SQL lets you use one command to quickly create a new table containing a subset of records from a ...

When querying a database table, the result set is typically consistent with the current time, that is, at the time the query is executed. However, the ANSI SQL 2011 update to the standards specified ...