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Give some encryption techniques?
A) DES
B) AES
C) Public key encryption
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
To eliminate duplicate rows (distinct operator) Example: SELECT DISTINCT DEPTNO FROM EMP;
Preliminary entities and attributes of human resourse management database management system
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
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
What is conceptual model ? A conceptual model is a independent of both hardware and software.
What is Structured Query Langauge (SQL)? SQL is a powerful set-oriented language which was formed by IBM research for the databases that adhere to the relational model. It havi
List and also explain the dissimilar stages of DDLC ?
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
WHAT IS DSS? WRITE ITS REQUIREMENTS.
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