Trilobites Each Person Has a Unique ‘Breath Print,’ Scientists Find Every breath you take, they really may be watching you. Share full article ...

We are using multiple reference tables in SQL Server for analysis, some of which have Chinese characters in the table or column names. These tables are shared across various projects, and renaming all ...

Learn how to count the number of unique and distinct values in a column based on data in another column using array in Microsof Excel.

Currently two unique constraints with the same name are created that each have one column, instead of one constraint with both columns. Is there currently a way to provide a multi-column unique ...

Arthur Fuller explores the value of identity columns and the usefulness of their arbitrary values and discusses ways to use SQL Server 2000's IDENTITY_INSERT setting.

In this sample statement, the condition (table1.keyfield=table2.keyfield) tells SQL to find records in both tables that contain matching values in the column named by keyfield.