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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
What is the role of a database administrator?
what is the need of a log in dbms
note on hashing technique
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Explain the rules for creating a labelled precedence graph for testing view serializability. Ans: A schedule S is view serializable if it is view equivalent to a ser
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