Hierarchical model is also known by, Database Management System

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Hierarchical model is also known by?

A hierarchical model is also known as a Tree structure.

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Type of views-data control, Type of views : Simple views and Difficult ...

Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One

What are object interaction diagrams, What are object interaction diagrams?...

What are object interaction diagrams? Object interaction diagrams are the diagrams that used to describe order in which messages are communicated in execution of an operation,

Create table employee and enter employee data in sql, Create table employee...

Create table employee and enter employee data in SQL? Consider the following relational schemas: EMPLOYEE (EMPLOYEE_NAME, STREET, CITY) WORKS (EMPLOYEE_NAME, COMPANYNAME, SAL

What are the properties of transaction, What are the properties of transact...

What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation

Relationship between security and integrity, Relationship between Security ...

Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually

Explain the two constraints check and foreign key in sql, Explain the two c...

Explain the two constraints, check and foreign key in SQL along with an example for each. Give the syntax. CHECK constraint - CHECK constraint specifies an expression which

One to many - relationship cardinality, One-to-many : An entity in A is rel...

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

Discuss the three level architecture of dbms, PRINCIPLES OF DATABASE 1....

PRINCIPLES OF DATABASE 1. State the following terms: a) Database b) Database Management System c) Entity d) Attribute e) Relationship 2. Discuss the Three Level Architecture

What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

#mapping constraints, explain the mapping constraints

explain the mapping constraints

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