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In which format database schema is written ?Data base schema is written in the DDL format.
Which is a valid SQL type? A valid SQL Should be in CHARACTER it is should be NUMERIC and FLOAT.
What is De-normalization? De-normalization is the method of attempting to optimize the performance of a database by adding redundant data. It is sometimes essential because cur
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Normalization :It is a process of examine the given relation schemas based on their primary key and Functional Dependencies (FDs) to achieve the properties Minimizing redun
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
#question.ERD of any car
what is binary relationship
What is inheritance? Inheritance is an object orientation concept that allows reusability of code / design. Basic sense of inheritance is that if one class is predefined than a
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
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