If you’ve ever worked with an enormous Excel spreadsheet, you’ll know just how daunting all those rows and columns can be. Once you’re over 10 or 15 different values and labels, it can get pretty ...

In our Databases we have many nullable foreign keys. In order to save space, we use filtered indexes which exclude all null values. Now if we query like this... SELECT * FROM Foo f JOIN Bar b on ...

In SQL Server, the database can be stored in different files and filegroups. If your database is small (100 MB or less), you do not need to worry too much about files and filegroups. But if you have a ...

When designing objects in SQL Server, we must follow certain best practices. For example, a table should have primary keys, identity columns, clustered and unclustered indexes, data integrity and ...

In a SQL Server, two types of indexes exist; Clustered and non-clustered indexes. Both clustered indexes and non-clustered indexes have the same physical structure. Moreover, both of them are stored ...

You're a DBA, sysadmin, or developer who manages Microsoft SQL Servers. It's your fault if they're down or slow. These tools help you understand what's going on in ...