Mainframe Refresher Part-1 DB2 (Database 2) History DB2-Page:1 IBM‟s first database is IMS. This is a hierarchical database. IBM introduces its second base on relational…

DC10 PART-I DATABASE MANAGEMENT SYSTEMS TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in…

Data Types In a Database, each column, local variable, expression, and parameter has a related data type. A data type is an attribute that specifies the type of data that…

1. 1Z0-007Introduction to Oracle9i: SQL 2. Oracle 1Z0-007 Study GuideOracle 1Z0-007 Study Guide © 2003 Self Test Software, a Kaplan Professional Company. All rights reserved.…

ORACLE SQL Statements There are 3 basic categories of SQL Statements: SQL-Data Statements -- query and modify tables and columns SELECT Statement -- query tables and views…

Relational algebra From Wikipedia, the free encyclopedia Jump to: navigation, search This article may require cleanup to meet Wikipedia's quality standards. (Consider…

1. Topic 1, Volume AQUESTION NO: 1 Select the valid customer defined Message Stement:A. MESSAGE Y123. B. MESSAGE E123 (9999). C. MESSAGE ID 'AT' TYPE 'S'…

Slide 1SQL Slide 2 What is SQL? DML DDL Partially declarative Based on the algebra via the tuple calculus, and therefore its core has an elegant set-theoretic foundations…

Slide 1Q1 = SELECT [Project9].[ID] AS [ID],[Project9].[C1] AS [C1],[Project9].[C2] AS [C2],[Project9].[ID1] AS [ID1],[Project9].[SalesOrderID] AS [SalesOrderID], [Project9].[TotalDue]…

Slide 1SQL – JOINs and VIEWs Chapter 3.3 V3.0 Copyright @ Napier University Dr Gordon Russell Slide 2 Multiple source tables Using more than a single table of a database…