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Increased parallelism: Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have greater chances that the required data is found on the site where the transaction is implementing. Hence, data replication can minimise movement of data among sites.
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
ADVANCE OBJECT DESIGN Introduction Analysis is the initial step of the OMT methodology. It is apprehensive with devising a precise, concise, correct and understandable mo
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
I have one assignment that has to be done in neo4j
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
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