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The term integrity means to correctness and completeness of the data in data base. A relational data base is collection of related table. Table contains various information. Tables are connected by the foreign key relationship. When the contains with the certain command, insert, delete, update.The integrity of the data can be loss in many different waves.
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What are rows in dbms?
In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.
How does DBMS reduce data redundancy?
DBMS stands for database management system. DBMS reduce data redundancy as it checks if the data is duplicate and if duplicate then store it as a single record.
Sample of DBMS?
SAMPLE DBMS includes Oracle, DB2, MS Access, MS SQL SERVER, PostgreSQL, MySQL, Sybase.
How do you find constraints in Linear Programming?
first find out if it is congruent if it isn't congruent you can find the constraints
How Armstrong rules are complete or sound in dbms?
Armstrong rules are complete or sound in dbms by clarifying the types of situations which need to be achieved and done.
What is a Multi-user DBMS Architecture?
A Multi-user DBMS Architecture is one big system of users and queries. The use of these are to over look and execute plans safely and does not violate and integrity constraints.
What do you mean by referral integrity constraints?
What do you mean by referral integrity constraints
What ensures the value of the foreign key matches another tables primary key?
It is the DBMS that ensures the value of the foreign key matches another table's primary key when referential integrity constraints are enabled within the DBMS
Various integrity rules in a DBMS?
Three basic types of database integrity constraints are:Entity integrity, not allowing multiple rows to have the same identity within a table.Domain integrity, restricting data to predefined data types, e.g.: dates.Referential integrity, requiring the existence of a related row in another table, e.g. a customer for a given customer ID.
How does SQL allow implementation of the entity integrity and referencial integrity constraints what about general integrity constraints?
sql allow their implementation using various sql commands
What does an DBMS do?
DBMS is database management system and it stores data that are related. DBMS maintains data security and integrity as well.
Define the two principle integrity rules for the relational modelDisscuss why it is desirable to enforce these rules also explain how DBMS enforces these integrity rules?
Define the two principle integrity rules for the relational modelDisscuss why it is desirable to enforce these rules also explain how DBMS enforces these integrity rules?
Which units of a dbms responsible for structure integrity of a database?
table
What are roles and structural constraints in DBMS?
so it role is basically to manage the database
What is intension in dbms?
In database management system (DBMS), intension refers to the structure or schema of the database. It defines the overall design and organization of the database, including tables, columns, data types, constraints, and relationships. It serves as a blueprint for creating and managing the database.
How data loses its integrity?
In database system one of the main feature is that it maintains data integrity. When integrity constraints are not enforces then the data loses its integrity.
What are the basic concepts of DBMS?
DBMS stands for DataBase Management System. The main concepts are the structure, the manipulation, and a set of integrity rules.
