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Chapter 11
Chapter 11

...  Several versions of MIME exist  Basic MIME is almost universally supported by e-mail clients today ...
Generating Meaningful Test Databases
Generating Meaningful Test Databases

... • Today’s testing techniques are not very efficient – 20-70% of the costs of a SW project are spent for testing  Costs caused by software errors in the US in 2000: ~$20-$60 bn ...
Rational ClearQuest Performance Improvement Rational Software Whitepaper
Rational ClearQuest Performance Improvement Rational Software Whitepaper

... the application is going to perform. While Rational ClearQuest is a flexible and configurable change management system, it is not intended to be a complete program development environment. It is designed for customization of the “out of the box” schemas, not for complete re-implementation of the und ...
Characteristic of data record in relation
Characteristic of data record in relation

... • It is important to understand that the applications and the database do not need to reside on the same computer. • We divide the range of database applications into three categories based on the location of the client (application) and the database software itself 1. Personal 2. Two-tier 3. Multit ...
Powerpoint - SQL Saturday
Powerpoint - SQL Saturday

...  Typical SQL Server has a heterogeneous workload  X batches complete in .01s Y in 1s and Z in 100.0  Is it one query over a latency distribution? Or is it 3 very different queries? ...
The relational model
The relational model

... 11. Distribution independence Introduction of a distributed DBMS or redistributing existing distributed data should have no impact on existing applications ...
Training Exercises
Training Exercises

... 1. If you do not have the results of the previous search perform another search to return multiple results. 2. Sort your results by most recent and by source. 3. Change the format of your results to include Citation and Abstract, and Complete record. 4. Change back to Brief and select a few of recor ...
Introduction to Big Data
Introduction to Big Data

... Columns in each table represent attributes (or fields). ...
Configuring a JDBC Resource for Sybase IQ
Configuring a JDBC Resource for Sybase IQ

... You can create and configure a JDBC resource to extract metadata from any relational database management system that is accessible through JDBC. You can create a JDBC resource for any relational database that supports JDBC. Informatica has tested the JDBC resource for IBM DB2/iSeries. You cannot con ...
A Relational Database Primer for SAS Programmers
A Relational Database Primer for SAS Programmers

... well; there are altemative methods for accessing a DBMS. All of them except one involve SAS/ACCESS. The exception involves using a program, probably written in a third generation language, that can create ASCII copies of database tables that the SAS System can subsequently read. The analogous method ...
Aster Database Client Guide - Information Products
Aster Database Client Guide - Information Products

... characters (for example, German letters ä and ß) in a char, varchar, or text column, and it is particularly important if you are connecting from a Windows-based machine. ...
Cursors in Pl/SQL
Cursors in Pl/SQL

... wines in Joe’s bar. Create a copy of the Sells table. In this table increase the price of the Brazilian and Argentinian wines by 2 and 1. Create a Short_names(abbr, name) table. Insert tuples into this table s.t. the first field contains an abbreviation of the name of a drinker which is also given a ...
SQL - STATUS
SQL - STATUS

... This is a programming command that can be used with a high-level language program. It acts as a filter between the program and the database, so that the program receives only those records that meet the criteria specified in the OPNQRYF command. It is not built on the SQL/400 language. ...
Azhar Iqbal`s slides
Azhar Iqbal`s slides

... • Able to handle large databases that can be accessed over the Web. • Flexible and secure password system to protect your data - powerful security system • Fast, reliable, easy to use, and affordable! • Relational database management system • Stability • On-line help facility - (type –help or -?,) • ...
FREE Sample Here
FREE Sample Here

... Chapter 1 covers basic relational database concepts. The chapter begins with a discussion of flat-file storage for data, and then introduces relational databases as a solution to many of the problems with flat files. Database concepts including tables, rows, columns, and keys are covered. A brief in ...
SQL: Creating and Modifying Database Tables
SQL: Creating and Modifying Database Tables

... There are many flavors of SQL. Every database seems to have its own slightly different version from everybody else. So, while the SQL basics may be compatible with all databases, there will almost always be a few obscure features which are only supported under one vendor (for example, some database ...
by Lester Knutsen - Advanced DataTools
by Lester Knutsen - Advanced DataTools

Logical Standby – Setup
Logical Standby – Setup

... ● For r/w access - Setup private synonyms over database links to the new development user. ● For r/o access – Use public synonyms from production schemas or create private synonyms. ...
WISC & AS3AP
WISC & AS3AP

... often -- only fetch needed information. – Improve performance by storing a denormalized relation • E.g., store join of account and depositor; branch-name and balance information is repeated for each holder of an account, but join need not be computed repeatedly. • better to use materialized views (m ...
764_24_Mohammed_Backup
764_24_Mohammed_Backup

... Exp/Imp allows transferring data across DB’s that reside on different hardware platforms or on different Oracle versions. Exp/Imp can be used in four modes: - Full Export: The EXP_FULL_DATABASE and IMP_FULL_DATABASE are used to perform full export. - Tablespace: use the tablespaces export parameter ...
SQL
SQL

...  Records can be filtered using arithmetic and Boolean operators  SELECT dogName, Age FROM dogs WHERE Age <=5  SELECT dogName FROM dogs WHERE dogBreed=“Jack Russell”  SELECT dogName, dogColour FROM dogs WHERE Age<5 OR dogBreed=“Chihuahua”  SELECT dogName, dogColour FROM dogs WHERE dogName=“Kille ...
ppt
ppt

...  The storage manager is responsible to the following tasks: ...
AlwaysOn Design Patterns and Lessons Learned.ppt
AlwaysOn Design Patterns and Lessons Learned.ppt

... • Recommendation for all AG deployments: • SAME file path across all FCIs • Solution: Be sure to use a path for Data and Logs that is always the same for all instances participating in an AG. File path recommendations is the same as in DBM, but this is more significant now because it is one Windows ...
Chapter 1: Introduction
Chapter 1: Introduction

...  The storage manager is responsible to the following tasks: ...
Chapter 7: Database Systems
Chapter 7: Database Systems

... Creating and implementing the right database system involves  Determining how data is stored and retrieved  How people will see and use the database  How the database will be created and maintained  How reports and documents will be generated ...
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Open Database Connectivity

In computing, ODBC (Open Database Connectivity) is a standard programming language middleware API for accessing database management systems (DBMS). The designers of ODBC aimed to make it independent of database systems and operating systems. An application written using ODBC can be ported to other platforms, both on the client and server side, with few changes to the data access code.ODBC accomplishes DBMS independence by using an ODBC driver as a translation layer between the application and the DBMS. The application uses ODBC functions through an ODBC driver manager with which it is linked, and the driver passes the query to the DBMS. An ODBC driver can be thought of as analogous to a printer driver or other driver, providing a standard set of functions for the application to use, and implementing DBMS-specific functionality. An application that can use ODBC is referred to as ""ODBC-compliant"". Any ODBC-compliant application can access any DBMS for which a driver is installed. Drivers exist for all major DBMSs, many other data sources like address book systems and Microsoft Excel, and even for text or CSV files.ODBC was originally developed by Microsoft during the early 1990s, and became the basis for the Call Level Interface (CLI) standardized by SQL Access Group in the Unix and mainframe world. ODBC retained a number of features that were removed as part of the CLI effort. Full ODBC was later ported back to those platforms, and became a de facto standard considerably better known than CLI. The CLI remains similar to ODBC, and applications can be ported from one platform to the other with few changes.
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