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Define tuple variable
Tuple variable is a type of variable whose domain is the set of all tuples.
Can you scan double-sided documents - and remove blank pages? Our software and imaging systems supports duplex scanning, at the same time scanning both sides of a page. Program
Create centralized relational database using Top down method- Construction of Logical Model: Translation EERD into Relational Schema: Use the 8 steps algorithm of converting EERD
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Determine the Disadvantages of file based systems Some of the disadvantages of file based systems are like this: Data redundancy and inconsistency: the dissimilar applic
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Draw an ER diagram for company''s database schema
What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
Explain the θ-join and equijoin Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but sh
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
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