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Database Programming
Databases are collections of tables that maintain and display information, often collaboratively; this information can be used for interaction with an application or gaining general knowledge. Questions about database engines and modifying or using them belong in this category.
8,803 Questions
What is the best program to use for business data processing?
The most simple program is the spreadsheet (excel) To have a dtabase that is transferable requires a lot more knowledge. Transfer a database simply means that another program can access and use the information. That is a program starting with (acces) or more. Depending on your needs starting at Microsoft Office online and a search for your specific requirements will ensure that you get started on this task. A lot of the simpliest programs can become confusing so maintain organization and quality control standards to make the learning process smooth and simple.
Is it possible while developing any software by using java can you manage database?
Yes. In Java this is done through the JDBC classes.
Yes. In Java this is done through the JDBC classes.
Yes. In Java this is done through the JDBC classes.
Yes. In Java this is done through the JDBC classes.
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What is the difference between routing maintenance and major maintenance in school facilities?
The routine maintenance is the minor and consistent repairs that is engaged in the school premises. Examples could include painting, replacement of fixtures, Louvre blades, furniture repairs, and patching cracks in the school buildings.
The major maintenance could also be a total rehabilitation of the school. Either on the whole school buildings or any other project within the school community. It could be total restructuring of the lighting system in the school or sanitary system.
BY RICHARD ANANE
GHANA- WEST AFRICA
Tell me..... what are the dbms are mostly used in the industry?
Some examples are SQLServer , MySQL, Orcle
What is a block of information stored in an HTML file on a server?
A block of information stored in an HTML file on a server is called a control file. A file may contain program instructions or data, which may be numerical, textual or graphical information.
What is meant by unsigned char?
An unsigned char is a byte; its value can be between 0 and (2^8) - 1 (i.e., 0-255).
Difference between positive edge trigger and negative edge trigger for flipflop?
A: it does not apply to only flip-flop but to all kinds of logic circuits where a [+] transition from a less negative to a more positive level occurs [-] and the other way around meaning a +/- transition must occurs to transfer states.
What are the Access data types and how they are used?
In Access and in databases in general each field in a database table is of a certain data type. The data type determines what type of data a field can hold. A field of the text data type can hold text, a field of the number data type can hold numbers and a field of the data/time data type can hold date and time values.
Access actively checks what type of data is entered into a field and Access will disallow the entry of data into a field that doesn't conform to the field's data type. Access won't allow you to put text into a field of the Number data type, for example.
So, data types are a way to restrict the entry of data into a field. Internally, the database uses different strategies for the storage and retrieval of different data types.
How do you design forms in object oriented database?
A database is about storing data, not about creating forms. You would create the forms in some programming language - NOT something directly related to the database server - than have your forms, or rather your program in general, connect to the database.
What are offline data and online data?
Offline data:
It alludes to information utilized for information driven advertising on computerized showcasing channels and which begins from logged off sources.
Online data:
It stockpiling alludes to the act of putting away electronic information with an outsider administration got to by means of the Internet. It is a different option for customary neighborhood stockpiling and versatile stockpiling.
How can the web be used as a data source?
Excellent question. Assuming that you are not talking about using remote servers for database retrieval, but are actually asking how to use the web itself as a datasource. This is topic of much research which goes under the name of the Semantic Web. See the related link for the Semantic Web's homepage. Its goal is to make web content, all web content, machine readable so that software agents can collate, collaborate, and consume web data in the same manner as we currently can with databases. This technology is still in its infancy, but for more information, visit the related link.
What five ways can data be manipulate?
Computer data processing is any process that uses a computer program to enter data and summarise, analyse or otherwise convert datainto usable information.
What is Elementary Data Organization in Data Structures?
elementry data organisation is a way to put the position of special element
Why String data type cannot be used as built-in data type in C?
Because it isn't a built-in data-type in C. Other examples that aren't built-in data-types: complex numbers, binary trees, associative-arrays.
What are some advantages of a computerized database?
Advantages * Reduced data redundancy * Reduced updating errors and increased consistency * Greater data integrity and independence from applications programs * Improved data access to users through use of host and query languages * Improved data security * Reduced data entry, storage, and retrieval costs * Facilitated development of new applications program
How constraints are implemented in object oriented systems?
Constraints, such as transaction throughput, response time, run-time platform, development environment, or programming language, are implemented, by using some specific principles of an object oriented systems, which are mentioned below-
- Abstraction
- Encapsulation
- Identity
- Modularity
- Hierarchy
- Typing
- Concurrency, and
- Persistence
How do you make a misleading graph?
The most obvious is to be selective in the data that is used to make a graph. Suppose I want to show how much more money I am making, I might chose to show my income. However, if I really want to show that I was doing well, I should also show my expenses. I can also be selective in the time period or in the way I average the data. In the previous example, perhaps I show my income as dollars per month, and don't show how many months I worked. The graph might look like I'm making more, but the opposite could be true if you don't know how many months I have been working. If you want to show that students arrive late to school, you might pick a period where there is a bad storm. You can change the scales on your graph to distort the correct interpretation. See related link for more examples.
Access allows you to ask questions and obtain information about your data through use of a built-in?
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What does database manipulation do?
INSERT new data , UPDATE new data , DELETE existing data (basically modify the data).
To TRUNCATE means to cut off. In math, this means instead of rounding. To ROUND 1.25 to the nearest 1/10 would be 1.3 (5 rounds UP)
To TRUNCATE 1.25 at the 1/10 position would be 1.2 (just cut off the 5)
