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What is a DBMS?
DataBase Management System (DBMS) is a software package that allows data to be effectively stored, retrieved and manipulated and the data stored in a DBMS packege can be accessed by multiple users and by multiple application programs like (SQL Server, Oracle, Ms-Access) .
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dBm is decibel power unit referenced to 1 milliwatt. Look at the related links for conversion: voltage to dBm, dBu, and dBV.
it is the power ratio in decibels No, it isn't. dB on its own is a ratio. But when dB has a suffix, the figure is an absolute measurement, not a ratio. For instance, d…Bm is a measurement of power compared to 1mW. 0dBm means zero difference between 1mW and the measured figure. In other words the measured figure is also 1mW. 3dBm is 3dB greater than 1mW. -3dB is 3dB less than 1mW. etc. Another suffix is W. 0dBW being 1 watt. There are many more suffixes, some of which are used in only a few specialised cases.
Data Base Management System
What is the purpose of dbms? . DBMS is a software that organises the creation, storage and maintenance of Databases for end users.
First of all what is DBMS? DBMS is D ata B ase M anagement S ystem. It is a special software that manages databases. One of features provided with DBMS is transaction…s that uses logging system very often. Log is a special table (most of the time) there all activity (logging to system, removing, editing, creating, etc) inside database is logged and could be later used for other purposes. It could used by transaction mechanism in order to recover old data or for administration purposes.
Atomicity means atomic data can't have multiple value of the samedata type in that column.
-Large amounts of data -Data is very structured -persistent data -valuable data
Simply stated, that is an acronym for an advanced 'Database Management System', which is a software package that would facilitate the development of various applicable databas…es. See the related link listed below for more information:
Event refers to Action... maybe action(event) occurred in Form ....
DBMS stands for data base management system. DBMS is a collectionof programs that enables users to create and maintain a database.The DBMS is a general purpose software system… used to facilitatethe process of defining, constructing and manipulating data basesfor various applications. features of DBMS: 1.Data independence 2.Efficient data access 3.Data integrity & security 4.Data administration 5.Reduced application development time
A DBMS snapshot in Oracle can also be referred to as a materialized view. Basically a snapshot is a refreshable view that can be refreshed on command or commit.
class in dbms is nothing but a collection of attributes.... class in java is defined as collection of objects....:D
DBMS is database management system and it stores data that are related. DBMS maintains data security and integrity as well.