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Define an operator that a Relational Algebra does not have
Ans: Relational Algebra does not have Aggregation operators.
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
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
sir, could anybody help me in getting complete information about the mentioned topic
explain exhausitively the problems associated with er diagrams with ellustrations
What are the advantages and disadvantages of using a database system. Sol. Advantages of Database System (DBMS) : (1) Data Redundancy and Inconsistency: Since differen
Set Difference If R1 and R2 are two union compatible relations or relations then result of R3 =R1- R2 is the relation that have only those tuples that are in R1 but not in R2.
various techniques of hashing?
Why is need for the multiple access paths?
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
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