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1. Identify the comparisons and exchanges made to sort the following array using the selection exchange sort technique. Note: you may not need all columns.
Original
Array
1st
Pass
2nd
3rd
4th
5th
6th
7th
8th
9th
12
63
45
5
18
40
32
2. Use the table below to show the values in a stack after executing each of the following instructions. What is the value of the stack pointer after all of the executions have been completed? Note: There is only 1 stack. You are showing the changes in the stack values as each number is pushed onto or popped from the stack.
Push 12; Push 45; Push 47; Push 21; Pop X; Push 83; Pop X; Pop X; Push 32
3. Use the table below to show the values in a queue after executing each of the following instructions. Note: There is only 1 queue. You are showing the changes in the queue values as each number is added to or deleted from the queue.
Add 12; Add 45; Add 47; Add 21; Delete X; Add 83; Delete X; Delete X; Add 32
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
A database has been designed for this beauty parlour in order for the staff to manage specific things such as bookings made by clients, payments, staff availability, level of exper
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
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Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
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