There have been 6 revisions in SQL‚ 3 major revisions and 4 minor revisions as well. The three major revisions were SQL-86‚ SQL-92‚ and SQL:1999‚ and the four minor revisions were SQL:2003‚ SQL:2006‚ SQL:2008‚ and SQL:2011. [1] The updates in SQL:2011 are Periods‚ Application-time period tables‚ System-versioned tables‚ and Bitemporal tables. Application-time period tables have Primary keys‚ Referential constraints‚ and Querying and System-versioned tables have Primary key‚ Referential constraints
Premium SQL
This query will create a table create table furniture ( no int(6) NOT NULL PRIMARY KEY‚ itemname varchar(20) default NULL‚ type varchar(10) default NULL‚ dateofstock date default NULL‚ price decimal(6‚0)‚ discount int(2) ); Query OK‚ 0 rows affected (0.22 sec) This query will create a table create table arrival ( no int(6) NOT NULL PRIMARY KEY‚ itemname varchar(20) default NULL‚ type varchar(20) default NULL‚ dateofstock date default NULL‚ price int(6) default NULL‚ discount
Premium Table Relational model Furniture
then in every branch problem were arise because of increasing of paper works and the communication between offices is poor. Erika Dela Cruz feels if she didn’t do anything to prevent the problem‚ too mistake were being made so she decided to take a database application to help solve the problem. FurniPointe is specialized in property management‚ by taking intermediate role between owners who wish to rent out their furnished property and clients who wanted the furnished property for a fixed period
Premium Property Renting
Database Design Ryan K. Stephens Ronald R. Plew 800 East 96th St.‚ Indianapolis‚ Indiana‚ 46240 USA Database Design ASSOCIATE PUBLISHER Copyright 2001 by Sams Publishing EXECUTIVE EDITOR Bradley L. Jones All rights reserved. No part of this book shall be reproduced‚ stored in a retrieval system‚ or transmitted by any means‚ electronic‚ mechanical‚ photocopying‚ recording‚ or otherwise‚ without written permission from the publisher. No patent liability is assumed with respect
Premium Database Relational model SQL
LP1_William_Norris Chapter 1 Practice question # 10 a) Advantages of a database over the instructor’s current system would be; organization of data into one location rather than across several spreadsheets‚ and ease and speed regarding both data storage and retrieval. b) Major topics of the database include; students‚ dates attended‚ assignment and test scores‚ and overall grades. c) A statement of work for this database may look like the following; History: Historically‚ student data has
Premium Student
SOFTWARE REQUIREMENTS SPECIFICATION(SRS) FOR AIRLINE DATABASE Table of Contents 1. Introduction 1.1 Purpose 1.2 Document Conventions 1.3 Intended Audience and Reading Suggestions 1.4 Project Scope 1.5 References 2. Overall Description 2.1 Product Perspective 2.2 Product Features 2.3 User Classes and Characteristics 2.4 Operating Environment 2.5 Design and Implementation Constraints 2.6 Assumptions and Dependencies 3. System Features 4. External Interface Requirements 4.1 User Interfaces 4.2 Hardware
Premium Database management system Database SQL
Creating‚ dropping‚ and altering tables in SQLite In this part of the SQLite tutorial‚ we will cover the data definition language (DDL) of the SQLite database. The DDL consists of SQL statements that define the database schema. The schema is the database structure described in a formal language. In relational databases‚ the schema defines the tables‚ views‚ indexes‚ relationships‚ or triggers. The SQLite supports the following three DDL statements: CREATE ALTER TABLE DROP In SQLite‚ the CREATE statement
Premium SQL
College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct sequence
Premium Database Relational model SQL
3 Section-B(PL/SQL) 16. Write a Pl/Sql program to raise the employee salary by 30%‚ who have completed their 40 years of service. declare cursor c3 is select * from emp where extract(year from sysdate)-extract(year from hiredate)>40 for update; e emp%rowtype; begin open c3; loop fetch c3 into e; exit when c3%notfound; update emp set sal=e.sal+(30/100)*e.sal where current of c3; end loop; close c3; end; / 17. Write a Pl/Sql program to check the given number is Armstrong ‘or’ not. declare n number(3);
Premium SQL
Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
Premium SQL Database Relational database