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State the meaning of Object Representation The term object representation means "to represent object with the help of objects model symbols". Implementing objects is too simp
sql is relationally complete-justify
#floating point representation is used to store
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
Multiple-mode locks : It offers two locks: exclusive locks and shared locks. But why do we require these two locks? There are a lot of transactions in the database system that neve
Find a 3NF decomposition of the following relation scheme: University (Faculty, Dean, Department, Chair, Professor, Rank, Student}. The University relation satisfies the following
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
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