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Give the general form of SQL query?
Select A1, A2............., An
From R1, R2..............., Rm
Where P
give me a diagram about physical or internal level
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
List and also explain the dissimilar stages of DDLC ?
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
explain in details about one to one binary relationship
distributed quey processing
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
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