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Explain Growing Phase of locking
Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as soon as it obtains the first lock it wants. From now on it has no option but to keep acquiring all the locks it would require. Ultimately the transaction reaches a point where all the lock it may require has been acquired. This point is known as Lock Point.
What is OCR? OCR (Optical Character Recognition) is a technology that enables you to change different types of machine-readable documents, like scanned paper documents, PDF fil
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
The insertion of a tuple in the aim of reference does not cause any destruction. Though, insertion of a tuple in the relation in which, we has the foreign key, for instance, in ASS
Differance between DDL and SDL? DDL and SDL - The data definition language (DDL) is used through DBA and database designers to describe internal schema, conceptual schema, and
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
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