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Database Design

Parent Category: Technology
Database design is the process of creating a detailed data model of a database. It is the next step after requirement gathering and before coding begins. A good database design can save a lot of time during the database development.
A common field is a field of data that is shared among all forms in  a database. Without them, it would be difficult and/or  time-consuming to create other forms.
It is a systematic approach to integrated  product design or product that emphasizes the response to the  customer expectations and the combination of uniqueness and  engineering. Concurrent Design mainly focuses mainly on the early  phases of the project or product. Its central concept is the...
There is no specific award given to a computer geek. Most of  computer geeks get recognition from their peers and they earn  respect of other geeks through their influence on their field of  expertise. However, there are some Medals, recognition, and prizes  given by a certain bodies that mainly...
The database catalog of a database instance consists ofmetadata in which definitions of database objects such as basetables, views (virtual tables), synonym, value ranges, indexes,users, and user groups are stored. The SQL standard specifies a uniform means to access the catalog,called the...
  == data flow diagrams of personal banking system ==
A small part of science utilized in today's technology can be seen  in the field of biomedicine. High-end computers are used to analyze  the data of biological processes.
For a medical shop, The patient is directly connected with the shop  as well as a doctor. So make three entities: Patient, doctor and  shop. They have their own properties.
Engineer requirements should be higher, on the  application of large databases to achieve proficiency or  proficiency level, so the relatively low level of development  engineers database, the cost is lower. Data architects, general  business needs one or two. Of employment database development ...
It automatically identifies new devices It enables fast and reliable data transfer
 Operational database management systems (also referred to as  OLTP On Line Transaction  Processing databases), are used to manage dynamic data in  real-time. These types of databases allow you to do more than  simply view archived data. Operational databases allow you to  modify that data ...
Binary-valued quantities can be 0 or 1, true or false, right or  wrong. There are only 2 possible values.
A thermoplastic elastomer.
E-R modelling basically deals with Entities and their relationships  to capture the overall process of the system. While Dimensional  model/Muti-Dimensional Modelling deals with Dimensions (point of  analysis) for decision making and not to capture the process.
The different types of relationships in a database are; one-to-many relationships, many-to-many relationships, one-to-one relationships. One to one is the most commonly used, a row in table A can have a lot of matching rows in table B but table B can only have one matching row in table A. Many to...
because everyone is different in there own way.
A junction table is added between the two tables involved in the relationship. The primary key from each table is added to the junction table and they are made a joint primary key in that table. Then two one-to-many relationships are set up between the junction table and each of the two other tables...
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Automatic time zone  detection: The customer's time zone is detected automatically  based on the computer's IP address. This means that if a customer  travels to a location with a different time zone, they will be  alerted of the time zone change and will be able to switch to the  new time zone...
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1- Because it records the design decisions about tables and their structures…2-
We have many shortcuts for mail communications like:   ASAP - As Soon As Possible   ADN - Any Day Now   ATSL - Along The Same Line   check the following link to know more shortcuts:  disabled-world.com/communication/text-shortcuts.php 
sematic web cloud computing database mining mobile -android tools development data storage devices and its trend... etc...,.,
There is a four-semester course, each semester consisting of 72  hours, taught by Oracle University all over the world. Many  different institutions participate in this program.
Risk Analysis has been defined as:  It is a formal process of determining  risks and developing a plan to deal with them. In  other words, it is a process of analyzing and defining the  dangerous to business, individuals posed by potential natural and  human-caused adverse events. Read from...
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The hierarchical model is a restricted type of network model.  Again, data is represented as   collections of records and relationships are represented by sets.  However, the hierarchical   model allows a node to have only one parent. A hierarchical model  can be represented   as a tree...
In the Toolbox, click the Visual Basic PowerPacks tab and then dragthe PrintForm component onto the form. The PrintForm component is added to the component tray. In the Properties window, set the PrintAction property toPrintToPrinter. Add the following code in the appropriate event handler ...
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The relevant "speed" is basically, how quickly the computer can get  work done. There is no precise way to define this; but one measure  that is often used is called "flops" - floating-point operations  per second. That means additions, subtractions, multiplications, or  divisions.   As an...
search for this line below there is a video you can  watch"   VB.NET Database Tutorial - Connecting To Microsoft  SQL Server (PART 1) (Visual Basic .NET)   Thank you   Dariush from Wickenburgnet.com
Types of normalisation First Normal Form Second Normal Form Third Normal Form BCNF Students Age Subject Anne. 20. Biology, Maths. flora. 23. Maths. devin. 16 . Maths.
 iBATIS uses an XML file, commonly named SqlMapConfig.xml, to  specify information for a database connection, a transaction  management scheme, and SQL map XML files that are used in an iBATIS  session.   iBATOR cannot create this file for you because it knows nothing  about your execution...
numbervar RmVal:=0; numbervar Amt:=0; numbervar pAmt:=0; stringvar InWords :="Rupees "; Amt := numeric value ; if Amt > 10000000 then RmVal := truncate(Amt/10000000); if Amt = 10000000 then RmVal := 1; if RmVal = 1 then InWords := InWords + " " + towords(RmVal,0) + " crore" else if...
#include<iostream.h>#include<conio.h>main(){clrscr();int a[5][5],b[5][5],c[5][5],i,j,k;cin>>enter the matrix a;for(i=0;i<3;i++){for(j=0;j<3;j++){cout<<a[i][j];}}for(i=0;i<3;i++){for(j=0;j<3;j++){cout<<b[i][j];}}for(i=0;i<3;i++){for(j=0;j<3;j++){c[i][j]...
Relationship is purely a construct of the er data model. Relation is a structure of the relational data model.
Search google for a "er diagram of a bank" and look at images ,lots of great examples.
A collection of tools for describing Data Data relationships Data semantics Data constraints
You should find the answer you're looking for here http://softpixel.com/~cwright/programming/datatypes.java.php
A Storyboard enables designers and producers to pre-visualise their work before commencement.Advantages:- for a website the developer is able to check that all navigational links are correct- a overall picture of what the website will looklike which enables the developer to improve the quality by...
THIS IS AN OVERVIEW OF ENZYME ELECTRODE:-An enzyme electrode is the union of an enzyme, that biologic catalyst which acts sensitively and specifically with almost all organic and inorganic compounds in nature, with anelectronic sensor (an ion-selective electrode). The result isan electrode that is...
difference between OMT and UML
The SELECT INTO command creates a new table with data from an existing table whereas the CREATE VIEW command creates a view i.e., a virtual table from an existing table.
to minimize the time to gathering the files and data.
It helps you reach a certain goal.
Object is an identifiable entity with some characteristics and behaviour .A class is a group of objects that share common properties.
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productive maintenance: maintenance that leads to a benefit by meeting a new requirement, not just a continuation of the previous.Unproductive maintenance is a consequence of the way in which file-based processing is closely tied to the physical structure of the data stored in the files. This is...
Database Management Systems are specially designed applications that interact with the user, other applications, and a database that captures and analyzes data.
A conventional database is located at one place and only on one  server. A distributed database is spread across different  geographical locations on different servers.
FatWire Software Corp, which bills itself as a developer of complementary J2EE-based dynamic content management softwar.
One difference between an SC and an LC connector is that an LC  connecter is smaller in size than an SC connector. Also, an LC  connector is considered a latch connector, whereas an SC connector  is considered to be a push-pull connector.
1.) SQL is a data oriented language for selecting and manipulatingsets of data. PL/SQL is a procedural language to createapplications. 2.) PL/SQL can be the application language just like Java or PHPcan. PL/SQL might be the language we use to build, format anddisplay those screens, web pages and...
If you meant disadvantage of normalization then these are theanswer for your query. More tables to join: By spreading out your data into more tables,you increase the need to join tables. Tables contain codes insteadof real data: Repeated data is stored as codes rather thanmeaningful data. Therefore,...
An index is a performance-tuning method of allowing faster retrieval of records. An index creates an entry for each value that appears in the indexed columns. By default, Oracle creates B-tree indexesThe syntax for creating a index is:CREATE [UNIQUE] INDEX index_name ON table_name (column1, column2...
Numeric data are data that can be quantify. i.e age, e.t.c While Non-numeric data are data that cannot be quantify but can be categorise. Such as colour, name e.t.c
Tally 7.2 is not be able to do work with other languages like hindi but 9 is able to deal with all the languages . tally 7.2 is no having advance terms like vat . but 9 is having all those terms which is helpful to deal a/c easily & get result soon...
Some transactions include a sale, a return, a credit card approval, a credit card submission for payment, an inventory order or return to supplier, transfer of inventory between stores, time clock entry from employee, recording of a theft, sale of gift card, customer information initiation and...
CAD applications, Computer Aided Design software
An INSERT query is used to add a row to a table.
plastic memory is the ability of some plastics to return to theform they were in before molded, when heated.
explain referential integrity and cascade up data ?
There is a saying in the database industry - GIGO. It stands for garbage in Garbage out. The point of a database is to maintain data in a way that it has a use. For example, in a business a database might be used for inventory. What good would it be if the database didn't contain the right...
Fundamentally, to provide availability, you need to have (a)  replicated components in the architecture so that in the event of  one component failing, you can switch immediately to a backup  component.  You also need to have several copies of the data that is being  processed. Security...
Data in the database is very easy to handle. To organize data in database in ascending or descending order we can use group by command.
you can find the truth about something.
Photostory 3 is a program which you can add photos, music, voice recordings and text to make an awesome wmv file (Windows Media Video).You can also crop, rotate, correct red eye, correct colour levels and remove black borders from pictures.Photostory 3 is also a great way of reconstructing a novel...
Wether in docuement form or a database form within a database data input form a form within another form is called a sub form
Hi, Relational database system is machine performance. If the number of tables between which relationships to be established are large and the tables themselves are voluminous, the performance in responding to queries is definitely degraded. It must be appreciated that the simplicity in the...
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A management information system is an approach a company uses whenmaking various business decisions. Business owners and managers areresponsible for operational, technical and strategic decisions.
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Here are two suggestions but are a little difficult to execute Fake currency identifierBook reader
I have clear understanding of project cycle management and I have guided project planning, implementation, monitoring, review and evaluation using the project cycle management principles. I review annual workplan or detailed implementation plan with program managers and provide technical support in...
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It is an information sort utilized as a part of programming, for example, a whole number and drifting point unit, however is utilized to speak to message instead of numbers. It is involved an arrangement of characters that can likewise contain spaces and numbers. It should likewise have the...
The Microprocessor 8086 is a 16-bit CPU available in different  clock rates and packaged in a 40 pin CERDIP or plastic package.   The 8086 operates in single processor or multiprocessor  configuration to achieve high performance. The pins serve a  particular function in minimum mode (single...
An aggregate is a group made up of a collection of items. Aggregated data is data that has been summed or grouped - hopefully according to a logical pattern. We need aggregated data because a heap of unsorted data is useless. Thus if you had a database which collected names and addresses you would...
Dirty data is incorrect or incomplete input and can originate in many ways. However, we should also consider the method through which data is determined to be, in fact, dirty. For example, a record may have the incorrect address for a customer but that isn't to say that when the record was created...
Header Record, because it identifies the name of each colomn
If you want everything, start at the root directory and issue the command: ls -R
the task of date encoder is to type all the documents that he or her bost want
The properties of a database are commonly called a schema. The schema describes the tables in the database, the fields inside each table, the contents of each field, etc.
To put it simply there are many types of data systems. But  we'll just talk about two of the most common here: The first is  commonly known as flatfile. The flat file is pretty simple:  Each major category of data (e.g. Employees) is contained in a  single file. If that employee can have...
There are many differences between a traditional FPS and a DBMS. The main difference is the security and integrity that is maintained in DBMS but not in FPS.
In a database management system (DBMS), an attribute may describe a  component of the database, such as a table or a field, or  may be used itself as another term for a field. Commonly we can say  that an attribute is a "propety" of a database field or its a  characteristic or facet of the data...
index is used to increase the speed of query retriveing, when index column is specified in where condition.
Table design in Microsoft Access can be performed by right clicking the table name in navigation view (column that runs down the left hand side of Access that is headed 'All Access Objects' by default) or by clicking the "geometry set" icon on the far left hand side of the ribbon called "View" with...