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What are metrics for choosing the best algorithm?
Matrices for choosing the best algorithms are as below:
Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Two Phase Locking (2PL) The two-phase locking protocol having of two phases: Phase 1 : The lock acquisition phase : If a transaction T needs to read an object, it wants to
Determine the method of Choosing Algorithms In general, most of operations are easy and have a satisfactory algorithm since description of what is to be done also shows how i
What is MySQL? MySQL is a relational database management system which has eleven million installations. It can be used for both Linux and Window. Managing database includes add
Do NOT use the timestamp type. Use separate date and time data types only. Figure out how to define an SQL insert statement that uses built-in SQL (or MySQL) functions to define
Forward Recovery (Redo): In this system the committed changes made by a transaction are reapplied to a previous copy of the database. In simpler
Differentiate between Procedural and non procedural languages ? Procedural and non procedural languages - A procedural language specifies the operations to be performed on th
WHAT IS DATABASE TECHNOLOGIES
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
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