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What are the technique to define a schema completely ?
A schema is completely define by DDL and DML query language.
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR managem
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
Need For Distributed Database Systems A distributed database is a set of database kept on multiple computers that appears to applications as a one database. As a result, an app
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What is Relational calculus? Relational calculus is a Non- Procedural language.
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
A basic model of Database Access Control Models of database access control have grown out of previous work on protection in operating systems. Let us talk about one simple mode
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