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Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Having Clause with sub queries: First we have to recollect the GROUP BYclause. The following query searches the minimum salary in every department. SELECT DEPTNO, MIN (SAL)
One-to-many : An entity in A is related with any number of entities in B. An entity in B is related with at the most one entity in A. Example: Relationship between faculty and d
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Explain Thomas' Write rule. Show how it is different from timestamp ordering protol Ans: In timestamp-based concurrency control the thomas Write rule is a rule. Given a Timest
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Project Description: I am having a random problem with my Wordpress site. If I click on "Publish" and "Add new", it takes me to a 404 page not found of /wp-admin/post.php (th
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
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