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What is a security?
Securities are claims on financial assets. They can be illustrated as "claim checks" which give their owners the right to receive funds in the future. Securities are traded in both of the money and capital markets. Money market securities involve negotiable certificates of deposit, Treasury bills, commercial paper, and banker's acceptances. Capital market securities involve bonds and stock.
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Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
A constraint named less_than_20 was defined on the field date_of_birth of table student. Delete this constraint. ALTER TABLE student DROP CONSTRAINT less_than_20;
WHAT IS DATABASE TECHNOLOGIES
how many types of data model in DBMS? explain data abstraction with its different level
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What do you mean by Correlated subquery? Subqueries, or nested queries, are used to bring back a set of rows to be used by the parent query. Depending on how the subquery is writ
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
Explain the cartesian product in Database Management System
Describe the objective of Structural Diagrams The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their eleme
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