Importance of database for modern organizations?
The importance of the database for modern organizations is that it helps in the management of information. The modern organizations need to manage information about the potential donors, their clients, their staff and attendees.
What is a computerised database?
Folders on computers. e.g computerised Yellow page( computerised phone book). Normal phone books are paper-based database.
A positive attribute in a person is that quality that other people may find likeable and worthy of emulation. Positive attributes are what makes other people enjoy being with someone.
The size of a storage device can be measured using megabytes or gigabytes. 1 gigabyte is approximately equal to 1024 megabytes.
The database catalog of a database instance consists of metadata in which definitions of database objects such as base tables, 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 INFORMATION_SCHEMA, but not all database follow this, even if they implement other aspects of the SQL standard. For an example of database-specific metadata access methods, see Oracle metadata.
How do you structure the access program you create in order the user to use properly?
Not sure exactly what you mean by this question. Are you referring to a front end interface for a non-programmer or developer? If so, then you can create a form that lays out the various fields and you can move them. If that is the way to go, I would start first with the forms wizard. If you are referring to the structure of the database tables and queries, then it is highly dependant on what data you have and how the reports will work. The less joins between tables the better. Good luck either way!
In a Database Management System what are joins?
A Database Management System or DBMS is compromised of many related tables of data. Tables are simply two dimentional (rows and columns) of data, similar to a spreadsheet. Joins are used to combine tables of data based on related columns within those tables. By using JOINS, a database becomes multi-dementional. Joins are simply a structured way to combine related data in different tables within the database system.
Example an employee table might contain the following fields:
EmployeeID (the Primary Key)
LastName,
FirstName,
MiddleName,
HireDate,
DepartmentID (a foreign key to the Department table)
Manager_EmployeeID (a foreign key relating back to a different employee record in the employee table)
Department Table:
DepartmentID,
DepartmentName,
DepartmentManager_EmployeeID (Foriegn Key relating to the employee table)
In the Employee sample table, the EmployeeID serves as the primary key, which uniquely identifies the entire row of data. Joins for the Employee table would typically be done on related tables, such as the Department table via the DepartmentID, or even back on the Employee table itself using the Manager_EmployeeID, relating the EmployeeID to the Manager_EmployeeID. If the EmployeeID is in another table as a foreign key then joins can also be done to those tables as well.
igfxtray.exe beglongs Intel(R) Graphics Accelerator Helper. And it is a process which allows you to access the Intel Graphics configuration and diagnostic application for the Intel 810 series graphics chipset.
Web-DBMS (or Web-based Database Management System) is a general term for applications which provide a web-based interface to one or more databases. Web-DBMS allows the user to administrate his/her database from home, office, at campus, or on the road. It can be accessed from any platform, including PC, Unix, and Macintosh systems. HTML-based graphical interface of the Web-DBMS applications is easy to use for both developers and users, and it allows to manage databases in a standardized fashion.
What is multivalued dependency?
Multivalued dependencies are also referred to as tuple generating dependencies. After the Boyce -Codd normal form the results may be devoid of any functional dependencies but it may encounter multivalued dependencies as the multivalued dependencies also cause redundancy of data.
For eg:
If there are 3 attributes involved in a relation,A,B, and C..
Then for every value of A we will have respective values for B and C.. But it is a necessary in the 4th normal form that both B and C values are independent of each other.
This is represented by .,,
A->>B
A->>C..
MVD or Multivalued Dependency is a dependency where one attribute value is potentially a "multivalued fact" about another and the attributes must be independent of each other.
What is the difference between a computerised database and a paper-based database?
Computerised data is on a computer (well yah) and a paper database is on a peice of paper ( XD ). It is also easier with a Computerised database as it is easier!!!!! :D:D:D:D:D
What do you mean by functional dependancy in dbms?
Dependency means that the one entity dependents on another entity. This is also applicable for the Function also.
For Example : If you trying to check the general function which tells you about the rooms availability, which consist of checkFreeRooms() and we can have the checkForACRooms() and CheckForSuits(), So the general function for checking Rooms dependents on the other rooms as above
What are the different parts to a database?
There are four major parts to a database. Which are tables, forms, reports and queries.
Tables- Where all the information and data is stored within a database.
Forms- Forms are used to enter, edit or deleted data in a database one record at a time.
Reports- A report makes a paper copy of the data contained within a database.
Queries and Sorts- Queries are a special database tool that allows you to search a database for a specific records based on certain information.
*Web-based databases are often written in PHP and/or SQL, script languages frequently used by web developers.
What types of tasks would benefit from databases utilizing workflow technology?
Any approval cycles, escalations, SLAs
Tuple calculus was created by Edgar F. Codd to provide a database-query language. It typically consists of two calculi and domain.
A- Aesthetics
C- Cost
C- Customer
E- Environment
S- Size
S- Safety
F- Function
M- Materials
What are presentations used for?
Presentations are used for so many different things. This are commonly used as teaching aids, making marketing presentations, displaying statistics and so much more.
What is key difference between a trap and interrupt?
An interrupt is generally initiated by an I/O device, and causes the CPU to stop what it's doing, save its context, jump to the appropriate interrupt service routine, complete it, restore the context, and continue execution. For example, a serial device may assert the interrupt line and then place an interrupt vector number on the data bus. The CPU uses this to get the serial device interrupt service routine, which it then executes as above.
A trap is usually initiated by the CPU hardware. When ever the trap condition occurs (on arithmetic overflow, for example), the CPU stops what it's doing, saves the context, jumps to the appropriate trap routine, completes it, restores the context, and continues execution. For example, if overflow traps are enabled, adding two very large integers would cause the overflow bit to be set AND the overflow trap service routine to be initiated.
Where can I find YouTube statistics?
There are many sites that can be found be searching for "Youtube statistics" But I particularly like the one at digital-orb because it walks you through how to calculate the current statistics of youtube such as the amount of videos in terabytes
Trigger is a statement that is automatically executed by the system as a side effect of a modification to the database. Several existing systems have their own non standard trigger functions. For a trigger we need to specify the condition under which the trigger is executed.