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Define an operator that a Relational Algebra does not have
Ans: Relational Algebra does not have Aggregation operators.
WOUND-WAIT
Write a short note on QBE? Stands for "Query By Example." QBE is a feature involved along with various database applications which gives user-friendly techniques of running da
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Question : Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriente
Define the terms i) DDL ii) DML DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data def
deffine class&object
sql is relationally complete-justify
What is ICR? A. ICR (Intelligent Character Recognition) is a technology that gives scanning and imaging systems the ability to identify images of hand-printed or script charact
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
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