A relational DBMS organizes and accesses data according to relationships among data items. The relationships among data items are expressed by tables consisting of columns and rows. The order of the ...

There are many ways to describe a database: the role it plays in a distributed architecture, the various internal components that make it work, and the various levels that define specific roles and ...

A DBMS trigger may prevent you from modifying observations in a DBMS table. Refer to your DBMS documentation to see if triggers are used in your DBMS. You can specify either a view descriptor or a SAS ...

One of the most important and rapidly changing areas of database management is security and protection. The major DBMS vendors have been adding security features and improving the way you can protect ...

Folks relate to physical tables; even the most non-relational-minded person can picture a fixed structure file and equate that to a table and its columns. The spreadsheet image is ubiquitous.