Unit 1 Research 1 1. SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce in the early 1970s. This initial version was called SEQUEL which stands for Structured English Query Language, was designed to manipulate and retrieve data stored in System R which was a database management system, developed in the 1970’s by IBM. Eventually SEQUEL was changed to SQL because, SEQUEL was a trademark of the Hawker-Siddeley aircraft company. In the late 1970s, Relational Software,
Words: 306 - Pages: 2
CHAPTER 6 Introduction to SQL LEARNING OBJECTIVES After studying this chapter, you should be able to: ■ Concisely define each of the following key terms: relational DBMS (RDBMS), catalog, schema, data definition language (DDL), data manipulation language (DML), data control language (DCL), scalar aggregate, vector aggregate, base table, virtual table, dynamic view, and materialized view. ■ ■ ■ ■ ■ Visit www.pearsonhighered.com/ hoffer to view the accompanying video for this chapter.
Words: 22483 - Pages: 90
Give a Short Definition for each of the following items: Compound Condition: Two or more single condition joined by means of a logical operator (AND and OR). SQL: Structured Query Language is programming language is designed to managing data in relational database management system (RDBMS). CREATE TABLE: In Structure Query Language we use CREATE TABLE command to describe the layout of table. Computed Field: A field whose values you derive from existing database table is called a computed
Words: 334 - Pages: 2
INTRODUCTION TO RTO MANAGEMENT In this growing competitive world it is becoming increasingly & absolutely necessary for any organization to streamline all its activities all the way stressing on quality perfection. Quality can be defined as fitness for use at an economical cost while satisfying customer requirements this can be achieved if the organization has the good quality system in which all the medical activities of the hospital are bought in line with operating procedure and guidance
Words: 10261 - Pages: 42
Smith Consulting Database Environment Student Name DBM/380 Date: Instructor name: Smith Consulting Database Environment Smith Consulting’s current employee management system is inefficient involving a one table database, which produces duplication of many attributes throughout the system. The first iteration of database design provided a new version consisting of various one-to-many relationships to link its various modules. There are currently four modules that consist of an employees, jobs
Words: 2475 - Pages: 10
MYSQL WORKBOOK INTRODUCTION MySQL is (as of March 2014) the world's second most widely used open-source relational database management system (RDBMS). It is named after co-founder Michael Widenius's daughter, My. The SQL phrase stands for Structured Query Language. The MySQL development project has made its source code available under the terms of the GNU General Public License, as well as under a variety of proprietary agreements. MySQL was owned and sponsored by a single for-profit firm
Words: 1822 - Pages: 8
Triana March 12, 2014 * What are the two major components of SQL and what functions do they serve? To answer this question we first have to understand what is SQL and how is it important for computer programming. Based on the information I found researching on this subject, SQL is nothing more than a database programming language designed for managing data held in a relational database management system also know as RDBMS. SQL also became a standard of the American National Standards Institute
Words: 675 - Pages: 3
BIRLASOFT PLACEMENT PAPERS 1 With every use of memory allocation function should be used to release allocated memory which is no longer needed ? a) dropmem() b) dealloc() c) release() d) free() 2 Which one of the following statements allocates enough space to hold an array of 10 integers that are initialized to 0 ? a) int *ptr = (int *) calloc(10,sizeof(int)); b) int *ptr = (int *) alloc( 10*sizeof(int)); c) int *ptr = (int *) malloc( 10*sizeof(int)); d) int *ptr = (int *)calloc(10*sizeof(in.
Words: 570 - Pages: 3
Give a Short Definition for each of the following items: Compound Condition: Two or more single condition joined by means of a logical operator (AND and OR). SQL: Structured Query Language is programming language is designed to managing data in relational database management system (RDBMS). CREATE TABLE: In Structure Query Language we use CREATE TABLE command to describe the layout of table. Computed Field: A field whose values you derive from existing database table is called a computed field
Words: 632 - Pages: 3
Section A: Objective Type (20 marks) This section consists of Multiple Choice Questions / True & False. Answer all the questions. Each Question carries 1 mark. MM.100 Multiple Choices: 1. Structured Query Language (SQL) is the language for working with: a. DDBMS b. RDBMS c. Both (a) & (b) d. None of the above 2. Decomposition in database design means: a. Breaking one table into multiple tables b. Breaking two table into multiple tables c. Composing multiple tables into one table d. None of
Words: 643 - Pages: 3
