What is a data dictionary, Database Management System

What is a data dictionary? 

A data dictionary is a data structure which keeps Meta data about the structure of the database i.e.  the schema of the database. 

 

Posted Date: 7/27/2013 6:41:09 AM | Location : United States







Related Discussions:- What is a data dictionary, Assignment Help, Ask Question on What is a data dictionary, Get Answer, Expert's Help, What is a data dictionary Discussions

Write discussion on What is a data dictionary
Your posts are moderated
Related Questions
(a)    Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b)   Based on the above object database, write the following queries i

What is an entity relationship model?  The  entity  relationship  model  is  a  collection  of  basic  objects  known as entities  and  relationship  between  those objects. An

Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.

Problem Explain at least five relational algebraic operators with a suitable example. Note: All the above descriptions should be done by taking at least two examples from ou

Explain the term- Data Flows Data Flows: A data flow connects output of an object or process to input of another process or object. It represents an in-between data value wit

What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu

Give detail description on Transactions. - Using transactions we can group all SQL commands into a single unit. - Transaction begins with some task and finishes only when a

How can you terminate the MySQL Server? Typing the following in Command prompt will shut down the server completely as root user % mysqladmin -u root -p shutdown

Recovery Techniques: After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previ

Prepare a gantt chart for the stock control project: Scenario Lucas-TVS is the Leader in Auto Electricals in India today with 50 years experience in desig