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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
complete assignment on the above title.
A database administrator''s responsibilities and data contents
Most computer systems authenticate users by asking them for the user name and password. However, the user names and passwords often can be guessed by hackers. Suggest an automated,
give some example real-life situations where DBMS are most suiitabe
Q.1 Briefly discuss the different layers of ANSI SPARC architecture. Ans: The three layers of ANSI SPARC architecture are like this: 1. Internal view is at the lowest leve
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data Question 2 What are the different types of par
The Second Normal Form (2NF) Definition: A relation is in 2NF if it is in 1NF and each non-key attribute is fully dependent on each candidate key of the relation. Some of th
how many hourse have been spent on a certain project
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