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What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
Explain group By clause in SQL? Group By clause in SQL: The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results thro
Explain the shadow paging recovery technique. Ans: Shadow paging is a method used to acquire atomic and durable transactions, and provides the capability to manipulate pages i
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Explain different categories of failures that occur in Oracle database? Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failu
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
(A) For the relation; CarSales (RegNo, BuyerName, Address, SalesPerson, Make, Model, Commission) The following functional dependences hold, RegNo _ID à Make, Model Reg
What is a recursive relationship? Give an example not used in the text. A recursive relationship is a relationship among an entity and itself. For example, given the entity PER
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
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