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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
What are the Issues when Selecting a Database Issues when Selecting a Database Storage space requirement: A database requires about triple storage space of the actua
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
Chapter 10a review questions
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
difference between internal schema and external schema in DBMS
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Project Description: I am updating my Javascript + HTML website with five domains for the same website I would like to know if I want to create site map and submit it in all the
What is a Name? A user-supplied name is used for identity. This form of identity is used for files in file systems. The user gives every file a name that uniquely identifies it
We define a view in SQL through using the create view command. To describe a view, we must provide the view a name and must state the query in which computers the view. The form of
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