Tags » Database Management System

What is MySQL and Why Do You Need It?

MySQL is a simple but robust and powerful open source Open Source Relational Database Management System (RDBMS). This may seem may be too much to chew all in at once. 377 more words

Computer And Technology


An IT professional and management consultant with a career that spans 17 years, Timothy Valihora currently serves as the president of TVMG Consulting, Inc. He specializes in all facets of computer data warehousing and data conversions. 120 more words

Timothy Valihora



Fourth Normal Form (4NF)

When attributes in a relation have multi-valued dependency, further Normalization to 4NF and 5NF are required. Let us first find out what multi-valued dependency is. 323 more words

DataBase Management System


Boyce-Code Normal Form (BCNF)
  • A relationship is said to be in BCNF if it is already in 3NF and the left hand side of every dependency is a candidate key.
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Programming In Java