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Consider the subsequent relations along with keys underlined
Street (name, location, city) House (number, street_name) Lives (name, house_number) Define the above relations as tables in SQL making real world assumptions about the kind of the fields. Define the primary keys and the foreign keys.
Create table street (name character(30) primary key, location character(30), city character(30)); Create table house( number integer primary key, street_name character(30) references street(name)); Create table lives ( name character(30) primary key, house number integer references house(number));
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
need a DBMS system on any data for assignment.
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
What is Cross Product? Simply Cross product is Binary Operator
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What is Natural Language Interfaces? Natural Language Interfaces - These interfaces accept requests written within English or a few other language and attempt to "understand" t
A well-maintained relational DBMS has a high level of data integrity. What features of a relational DBMS contribute towards this level of integrity? Relational DBMS gives high
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