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what is entity in database system?
sql is relationally complete-justify
Which model is record based logical model? Network Modelis basically known as record based logical model.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Explain the difference between optimistic locking and pessimistic locking. Optimistic locking supposes no transaction conflict will occur and deals with the consequences if it
What is property - properties of a database ? It is an integrated collection of logically related records. It consolidates separate files into a common pool of data records and
a method named WonGame that checks each letter in the word is matched by its label
What is a database? At any given time, they're storing a tremendous amount of information - inventory, in the case of Amazon, messages and interrelationships in the case of Tw
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar
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