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Consider the subsequent relations along with keys underlined
Street (name, location, city) House (number, street_name) Lives (name, house_number) Define the above relations as tables in SQL making real world assumptions about the kind of the fields. Define the primary keys and the foreign keys.
Create table street (name character(30) primary key, location character(30), city character(30)); Create table house( number integer primary key, street_name character(30) references street(name)); Create table lives ( name character(30) primary key, house number integer references house(number));
A database administrator''s responsibilities and data contents
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Normalize the following tables upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the
Define Signal. It allows methods to respond to events triggered by themselves or by other processes. Each signal corresponds to an exacting event. A signal is represented in Sy
Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat
explain the steps for reduction of er model into relational model?
define locking in simple language and decribed it
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
Define Timestamp ordering Ans In timestamp-based method, a serial order is made among the concurrent transaction by assigning to every transaction a unique nondecreasing number
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