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What is tuple variables in dbms?
TUPLE : Is the "ROW" in a table
Tuple in dbms?
rows are called tuples
What are rows in dbms?
In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.
What is the cordinality of dbms?
the number of tuple in a relation is called the cordinality of a relation?
What is record in dbms?
A record in a database management system (DBMS) is a basic unit of data storage containing information about a single entity or item. It is composed of fields that represent specific attributes or characteristics of the entity being stored. Records are organized within database tables and can be accessed, updated, or deleted using SQL queries.
What is the difference between relational tuple calculus and domain calculus?
Relational tuple calculus has its variables range over tuples, where domain relational calculus ranges its variables over the field values, or domain elements. Both types of calculus are subsets of first order logic.
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.
What is functional dependency in DBMS?
A key is a set of attributes that uniquely identifies an entire tuple, a function dependency allow us to express constraints that uniquely identify the values of certain attribute.
What is storage organization for relations in DBMS?
storage organise means how data is stored in database.in data base data is stored inform of table,which is also known as relation.some organisation are known as *table *row *tuple *degree *cardinality
What is meant by a database row What is a tuple?
In database there are no. of records stored in it. These records are stored in table . Row in this table is known as a tuple. So tuple is basically a row.
What are The rows in the access tables called?
The formal name for a row is a tuple.
What is the difference between tuple and attribute?
TUPLE : Is the "ROW" in a table and ATTRIBUTE : Is the "COLUMN" and it can also be called as "ATTRIBUTE". Annapurna table is collection of attributes ..... attribute is nothing but property tuple is the collection of information abt the attributes of table for single instance
