Because it just checks if the wrong data has been entered in the wrong field.
Validation just checks if a particular value does not exceed.
It cannot check whether if data entered is correct or incorrect.
Validation rules help maintain the integrity of a database by enforcing data accuracy and consistency. They ensure that only valid data entries are allowed, preventing errors such as incorrect data types, values out of range, or missing values. This helps in maintaining data quality and reliability within the database.
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1 Explain architecture of Distributed Database systems? Also, explain the reasons for building distributed database systems?
chandranana explain the characteristic of database?
form_title=Database Design form_header=Transform your company by incorporating a new database design. What program will the database be used with?=_ Please explain what you will be using the database for?="" Do you have a database that you're already using?= () Yes () No
what are the disadvantages of centralized database system
explain how database makes paying for products on the internet possible?
setting up database and managing information Bangladesh company
An electronic way of storing information. That's just one sentence.
form_title=Database Design form_header=Transform your company by incorporating a new database design. What program will the database be used with?=_ Please explain what you will be using the database for?="" Do you have a database that you're already using?= () Yes () No
functions of DBA in DBMS
In a database, a field represents a single piece of data stored in a table. It is the smallest unit of information that can be accessed and manipulated in a database. Fields are used to store different types of data such as text, numbers, dates, and more within a database table.