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Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Primary Key The primary key is the candidate key that is selected by the database designer as the principal denotes of identifying entities within an entity set. The left candi
Need for Multiple Access Paths In practice, most of the online information systems need the support of multi-key files. For example, consider a banking database application hav
Project Description: The work is about founding the best skilled person for the job. I will give you the job description. Skills required are Data Entry, Database Administrat
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i
What is the full form of DDL? DDL is stand for Data Definition Language.
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
what is definition hierarchical data model
what is Lossless-join decomposition
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