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What is meant by functional dependencies? Consider a relation schema R and α C R and β C R. The functional dependency α ->β holds on relational schema R if in any legal relati
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
define locking in simple language and decribed it
what is Lossless-join decomposition
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Project Description: The work is about founding the best skilled person for the job. I will give you the job description. Skills required are Data Entry, Database Administrat
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Differentiate between various levels of data abstraction? Data Abstraction - Abstraction is the procedure to hide the irrelevant things from the users and represent the rele
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