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In which form of relational database developer refers to a record?In a tuple form of relational database developer refers to a record.
Explain Data Dictionary in short?
client server architeutre
Describe Hashing in DBMS? Hashing: Hashing is a technique to store data within an array so which storing, searching, inserting and deleting data is fast (in theory it's O(1))
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
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
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
explain external view
In Database software have only pure security or some dis secured by administrator?
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
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