UNIT 6 RESEARCH ASSIGNMENT 1: EXPLORE THE LASTEST ANSI AND ISO STANDARDS 1. Look up ANSI and ISO. Explain briefly what each is and does? ANSI-Acronym for the American National Standards Institute. Founded in 1918‚ ANSI is a voluntary organization composed of over 1‚300 members (including all the large computer companies) that creates standards for the computer industry. For example‚ ANSI C is a version of the C language that has been approved by the ANSI committee. To a large degree‚ all ANSI C
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language – a language specifically designed and developed for accessing a database. 2 PL/SQL Programming Language/SQL • PL/SQL = SQL + Programming Language constructs • Oracle′s PL/SQL • PL/SQL is a Database Programming Language • SQL standard for Database programming language is called SQL/PSM (Persistent Stored Module) Programming language constructs • • • Sequence (a number of SQL statements meant to execute sequentially) Selection (branching e.g. if then else‚ case) Iteration
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Ex. No.1 AIM: Study data types in SQL and usage of various Data Definition Language commands. PROCEDURE: What is SQL? SQL is structured Query Language which is a computer language for storing‚ manipulating and retrieving data stored in relational database. SQL is the standard language for Relation Database System. All relational database management systems like MySQL‚ MS Access‚ Oracle‚ Sybase‚ Informix‚ postgres and SQL Server uses SQL as standard database language. Also they are using different
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Unit 6 Assignment 1: Homework Learning Objectives and Outcomes Name the main events in the development of SQL statements. Run SELECT queries with wild cards‚ DISTINCT key word‚ calculations‚ sorting and aliasing. Run queries with the WHERE clause to filter the result sets. Use the Aggregate functions COUNT‚ AVG‚ SUM‚ MIN‚ and MAX. Assignment Requirements Answer the true-or-false questions on the next page by filling out the answer sheet. Required Resources Textbook Submission Requirements Submit
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www.Vidyarthiplus.com VIDYARTHIPLUS - ANNA UNIVERSITY ONLINE STUDENTS COMMUNITY III SEMESTER - B.E – COMPUTER SCIENCE AND ENGINEERING QUESTION BANK - CS6302 DATABASE MANAGEMENT SYSTEMS UNIT I 1. What are the disadvantages of file processing system? 2. Explain the basic structure of a relational database with an example. 3. What do you mean by weak entity set? 4. Give example for one to one and one to many relationships. 5. What is the need of normalization? 6. Write a note on functional dependencies
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Journal of Information Technology Education: Innovations in Practice Volume 9‚ 2010 Database Security: What Students Need to Know Meg Coffin Murray Kennesaw State University‚ Kennesaw‚ GA‚ USA mcmurray@kennesaw.edu Executive Summary Database security is a growing concern evidenced by an increase in the number of reported incidents of loss of or unauthorized exposure to sensitive data. As the amount of data collected‚ retained and shared electronically expands‚ so does the need to understand
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Edition - Addison Wesley - 2000. Application Oriented Subject I- RD44 RDBMS Basic concepts of Relational Data model – introduction to SQL-Normalization. Creating tables –data types-date functions-conversion and transformation functions-queries and subqueries. Changing data-advanced use of functions and variables-creating‚ dropping‚ altering tables and views-SQL plus – accessing Remote data-building reports –authority allocation – triggers and procedures. Data dictionary-design
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Chapter 2: Basic SQL SELECT Statements TRUE/FALSE 1. An RDBMS is a software program that allows users to enter‚ manipulate‚ and retrieve data. ANS: T PTS: 1 REF: 25 2. An ORDBMS is more advanced than a simple RDBMS since the user can also create reports. ANS: F PTS: 1 REF: 26 3. There are six editions available for Oracle10g. ANS: F PTS: 1 REF: 26 4. The majority of operations performed on a database table utilize the SELECT statement. ANS: T PTS: 1 REF: 28 5. When a user asks the
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INTRODUCTION SQL is divided into the following ➢ Data Definition Language (DDL) ➢ Data Manipulation Language (DML) ➢ Data Retrieval Language (DRL) ➢ Transaction Control Language (TCL) ➢ Data Control Language (DCL) DDL -- create‚ alter‚ drop‚ truncate‚ rename DML -- insert‚ update‚ delete DRL -- select TCL -- commit‚ rollback‚ savepoint DCL -- grant‚ revoke CREATE TABLE SYNTAX Create table (col1 datatype1‚ col2 datatype2 …coln datatypen);
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shortened to SQL. In 1979‚ Relational Software‚ Inc. (now Oracle) introduced the first commercially available implementation of SQL. Today‚ SQL is accepted as the standard language.1 SQL has gone through three major revisions and several minor revisions: SQL1-Also known as SQL-86. The first publication of this version was in 1986 by ANSI. Shortly after ANSI also published two minor revisions SQL1:SQL-87 and SQL-89. The second major revision of SQL was SQL2- Also known as SQL/92‚ SQL-92‚ and ISO/IEC
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