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Data integrity is a term used in databases.
In its broadest use, "data integrity" refers to the accuracy and consistency of data stored in a database, data warehouse, data mart or other construct. The term - Data Integrity - can be used to describe a state, a process or a function - and is often used as a proxy for "data quality".
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What Means that the data contained in a database is accurate and reliable?
data integrity
Integrity constraints in dbms?
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.
What restrictions does referential integrity place on the way data is entered into table?
Once the tables are created and the relationship is established, the data can be entered. In general, data can be placed in tables containing foreign keys only after the data is entered into the tables that they reference. This restriction means that data must be inserted first into the MEMBER table. If not, the data for the VISIT table will be rejected for the referential integrity violations.
Four ways data can lose its integrity?
1. someone deleting it 2. Virus on system 3. Did not save data 4. corrupt files
Why is the mean a measure of the center of the data?
mean does not mean the center of the data
