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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
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.
What is decomposition in dbms?
Decomposition means replacing a relation with a collection of smaller relations.
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.
Dbms and rdbms?
A DBMS (Database Management System) is a software application that allows users to interact with a database. An RDBMS (Relational Database Management System) is a type of DBMS that organizes data into tables with rows and columns, and uses structured query language (SQL) for querying and managing data. RDBMSs are a subset of DBMSs, designed specifically for relational databases.
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 extension and intension in dbms?
In database management systems, extension refers to the actual data values stored in a table, while intension refers to the structure of the database, including its schema, constraints, and relationships between tables. Extension represents the instances of the database elements, while intension represents the definition or blueprint of those elements.
How do you create unnormalized table?
the first thing u must do is to avoid redundancies
Characteristics of a table in Unnormalized form?
A table that contains one or more repeating groups.
