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I need solution of the question posted at http://www.expertsmind.com/questions/sql-query-for-testing-triggers-and-stored-procedures-30140149.aspx
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
What is Relational calculus? Relational calculus is a Non- Procedural language.
How can you connect to the MySQL Server? In order to connect to the MySQL server it is necessary to give the username and password so this be able to done with The following
Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
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