Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

1) What is the requirement of PL/SQL ? Describe.

2) What is the requirement of cursor? prepare cursor routine for The HRD manager has decided to raise the salary of employees by 015. prepare a PL/SQL block to accept the employee number and update the salary of that employee. Show suitable message based on the existence of the record in the employee table.

3) Describe the advantages of functions / procedures.

4) A PARTS file with Part# as hash key includes records with the following Part # values: 2369, 3760, 4692, 4871, 5659, 1821, 1074, 7115, 1620, 2428, 3943, 4750, 6975, 4981, 9208. The file uses eight buckets, numbered 0 to 7. Each bucket is one disk block and holds two records. Load these records into the file in the given order, using the hash function h(K)=Kmod 8. find out the average number of block accesses for a random retrieval on Part#.

5) Describe the different conditions of modification of a B-tree and a B+-tree when an element is deleted.

6) Describe the sort-merge algorithm and demonstrate its working with suitable ex.

7) What do you mean by the concurrent execution of database transactions in a multiuser system? Discuss why concurrency control is needed, and give informal exs.

8) What do you mean by lock? describe the types of locks used in concurrency control.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M910658

Have any Question? 


Related Questions in DBMS

Assignmentdeliverablesall files are located in the

Assignment Deliverables All files are located in the subdirectory of the project. The project should function as specified: When you visit the Personnel form page (frmPersonnel.aspx), a record should be saved in the tblU ...

Moving average forecasting modelsmoving average forecasting

Moving Average Forecasting Models Moving average forecasting models are powerful tools that help managers in making educated forecasting decisions. A moving average is mainly used to forecast short historical range data. ...

Assignment business intelligence and data

Assignment: Business Intelligence and Data Warehouses Businesses today are extremely reliant on large amounts of data for making intelligent business decisions. Likewise, the data warehouses are often structured in a man ...

Discussionatleast 1 paragraph for each partpart 1 remote

Discussion Atleast 1 paragraph for each part Part 1: "Remote Access" Please respond to the following: • Remote access to corporate resources is becoming commonplace. From an auditing perspective, suggest two or more cont ...

At this point you decide to implement a hash structure for

At this point, you decide to implement a Hash structure for the contributor data to prepare for searches. You will read the contributor information from a file provided; it is a comma delimited (CSV) file. As each record ...

Fundamentals of databases assignment 1 -q1 explain the

Fundamentals of Databases Assignment 1 - Q1. Explain the distinction between total and partial constraints. Q2. Explain the difference between a weak and a strong entity set. Q3. Explain the distinction between disjoint ...

Database design assignmentpart 1customer resource

Database Design Assignment Part 1 Customer Resource Management Database You have been tasked to develop a set of tables for a customer resource management database. You are required to store the following information in ...

Assignmentthis assignment consists of two sections a design

Assignment This assignment consists of two sections: a design document and a revised Gantt chart or project plan. You must submit both sections as separate files for the completion of this assignment. Label each file nam ...

Listed the five important software components of a dbms the

Listed the five important software components of a DBMS: the DBMS engine, the data definition, data manipulation, application generation, and data administration subsystems. Which of those are most and least important to ...

Database designfrom textbook fundamentals of database

Database Design From Textbook: Fundamentals of Database Management Systems 2nd Edition. 1. Convert the Video Centers of Europe, Ltd., entity-relationship diagram in Exercise 2.2 into a well structured relational database ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro