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What are the ways in which signal can be generated
A signal might be generated in many ways such as a Signal is result of particular physical condition. Whenever a process writes to a non allocated zone of Memory there is an invalid access for a page of memory which raises a flag
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
3 assignments combined in 1
sql is relationally complete-justify
What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Define Thomas write rule Thomas' write rule: The Thomas' write rule is a modification of timestamp-ordering protocol for concurrency control. Assume that transaction T i issue
A constraint named less_than_20 was defined on the field date_of_birth of table student. Delete this constraint. ALTER TABLE student DROP CONSTRAINT less_than_20;
Consider the E/R schema with weak entity sets shown below. Come up with the SQL CREATE TABLE statements (with appropriate primary key, unique and foreign key constraints). Include
The Database MySQL scripts cars_for_sale.sql and car_details.sql containing the data to use for this task have been supplied. To complete this task, you need to first create
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