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Describe domain constraints.
Domain constraints contain entity integrity and referential integrity. The domain is a set of values that might be assigned to an attribute. The entity integrity rule states that no part of a primary key cannot be null. Referential integrity states that every foreign key value must match a primary key value or be null.
how to calculate frequency count of algorithm
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
we need example of 2phase locking
Use again the GE Flight Quest Data and build on the work done for homework 1 and 2. The goal is to create a classification model which classifies flights into "on-time" (you can de
Prepare a gantt chart for the stock control project: Scenario Lucas-TVS is the Leader in Auto Electricals in India today with 50 years experience in desig
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
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