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What do you mean by lossiess join in dbms?
what do u mean by lossiess join in dbms
What is mvd in dbms?
multivalued data
What is meant by data consistency in DBMS?
sdfsfas
What is difference between check point and save point in DBMS?
save point saves the dbms and check point simply check the database thats it simple
What is tuple variables in dbms?
TUPLE : Is the "ROW" in a table
What is the cordinality of dbms?
the number of tuple in a relation is called the cordinality of a relation?
What is the Difference between relation schema and relation instance?
difference between relation sehema and relation instance in dbms
Give entity relation diagram for hospital system in dbms?
d_id,d_name
What is minimal normal form a relation must satisfy in dbms?
Third normal form.
Why relation have key in DBMS?
A software system that facilitates the creation and maintenance and use of an electronic database
What do you mean by degree in DBMS?
It is the number of attribute of its relation schema. Its is an association among two or more entities..
What is relation instance in DBMS?
In DBMS, a relation instance refers to a particular set of data rows within a database table at a given point in time. It represents the actual values stored in the database for that specific table. Each row in a relation instance corresponds to a record or tuple within the table, containing values for each attribute.
How do you create unnormalized table?
To create an unnormalized table, you can combine multiple related entities and their attributes into a single table without splitting them into separate tables. This violates the principles of database normalization, leading to redundancy and potential data anomalies. Unnormalized tables can be created by directly designing the database schema without following normalization rules.
Characteristics of a table in Unnormalized form?
A table that contains one or more repeating groups.
Why duplicate tuples are not allowed in DBMS?
Since relation is a set, and tuples are element of a set, according to set theory, the elements of a set are not ordered.
What are highlights of DBMS?
NA_ what are highlights of advanced DBMS what are highlights of advanced DBMS what are highlights of advanced DBMS
What do extension and intentions of relations mean in dbms?
ExtensionThe extension of a given relation is the set of tuples appearing in that relation at any given instance. The extension thus varies with time. It changes as tuples are created, destroyed, and updated.
