What is DBMS?

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Data Base Management System
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What is data in DBMS?

A data is known as the rowfact which is stored in computers memory and used by the user as the output

Functions of a DBMS?

DBMS is an application that is used to manage & maintain Databases. DBMS provides scalability & modifications in Databases & makes them accessible via SQL queries.

What is the dbm?

dBm is decibel power unit referenced to 1 milliwatt. Look at the related links for conversion: voltage to dBm, dBu, and dBV.

Hashing in DBMS?

Hashing is the technique of to retrieving the datas in thedatabase. for example,we created one index for one main table,sohow we can retrieve the index from that main table? ans- to usingone function we can retrieve the data,that function is called hashfunction. hash function format is h(search key) (MORE)

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) ..

What does DBMS stand for?

1.DBMS (Data base management system ) is a process of managing data for efficient retrieval and storage of data. 2.The data base which is used by relations( tables) to acquire information retrieval are known as RDBMS. example- sql . Another answer DBMS is the Database Engine itself like (MORE)

Benefits of dbms?

Benefits of DBMS (Database Management Systems) are followings. • Flexibility: Because programs and data are independent, programs do not have to be modified when types of unrelated data are added to or deleted from the database, or when physical storage changes. • Fast response to infor (MORE)

What is a dBm?

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, dBm is a measurement of power compared to 1mW. 0dBm means zero difference between 1mW and the measured figure. In other word (MORE)

Introduction of dbms?

dbms- database management systems............. it is a collection of interrelated data and the set of programs to access those datas........ it is used to meet the disadvantages of the file systems........ there are many disadvantages of filesystems........ lik,, data redundancy and data in cons (MORE)

Facilities of DBMS?

\nData Definition Facilities - CREATE and DROP. \nData Manipulation Facilities - SELECT, INSERT, UPDATE and DELETE.\nHelp Facilities - MS Access provides helpful wizards to allow 'novice' users to do a task or even 'expert' users to do it easier.\nReporting Facilities - Creating professional looking (MORE)

What is the purpose of dbms?

What is the purpose of dbms? . DBMS is a software that organises the creation, storage and maintenance of Databases for end users.

What are highlights of DBMS?

NA_. what are highlights of advanced DBMS. what are highlights of advanced DBMS. what are highlights of advanced DBMS

What are Joins in dbms?

A join is a temporary relationship that you can create between two tables in a database query that do not already have an established relationship or common field with the same fieldname or data type. Database tables that are joined in a query are related in that query only, and nowhere else. The ty (MORE)

When not to use DBMS?

Can't afford the overhead . Cost of the DBMS . Training Time . Processing Time . When the application is simple . Dealing with a single table. .

What is DBMS and is its function?

A database management system ( DBMS ) is a software package with computer programs that controls the creation, maintenance, and use of a database. It allows organizations to conveniently develop databases for various applications. A database is an integrated collection of data records, files, and (MORE)

What is trigger in DBMS?

A trigger is a special kind of stored procedures that automaticallyexecutes when an event occurs in the database server. Insert,update and delete are called as events.

What is generalization in dbms?

Generalization defines a is-a-kind of relationship in which one class shares its structure and/or behavior with one or more other classes. The concept of generalization in UML is similar to inheritance in Java. It maps directly to the extends keyword. It is shown by a straight line originating from (MORE)

Why DBMS is important?

Minimal Data Redundancy . Consistency of Data . Integration of Data . Sharing of Data . Data independence . Ease of Application Development

What is risk in DBMS?

o Interest Rate Risk: One way to measure interest rate risk is to measure the volatility of interest rates. The easiest way to do this (though not necessarily the most correct) is to look at the historic volatility of interest rates. A more complex way to do this is to use mathemtical models to fore (MORE)

What are the applications of DBMS?

Data base system applications: 1.Universities: For student information, course details, and grades. 2.Airlines: For reservations and schedule information. 3.Credit card transactions: For purchase on credit cards and generations of monthly statements. 4.Human resources: For information about employee (MORE)

What is record in dbms?

Row = Record = Tuple Column = Field = Attribute. These words are used interchangebly. Akshay Sahu (MCTS SQL Server 2005)

What is the need of DBMS?

speed . client server architecture support . easy maintenance and Database Management System DBMS is used to store information in the form of tables columns and rows, interconnected by keys and accessible throughout an interface. Examples: SQL, MYSQL, ORACLE, etc ... Read more: http://wiki. (MORE)

What are elements of DBMS?

Data Security . Data Integrity . Interactive Query . Interactive Data Entry and Updating . Data Independence

What is modality in DBMS?

when a relationship is optional then the value of the modality is zero. when mandatory then the modality is one.

What is role of dbms?

DBMS stands for D ata B ase M anagement S ystem. So it's role is basically to manage the database. More specifically this software controls the storage, organization, retrieval, integrity and security of the data in the database.

What are the classifications of DBMS?

When you create a table or add a field to a table in thegeodatabase, fields are created as a specific data type. Data typesare classifications that identify possible values for andoperations that can be done on the data, as well as the way thedata in that field is stored in the database. When you im (MORE)

What is scheduling in dbms?

schedule is an interleaving of action from a set of transactions where the action of any transaction is in the original order.

What is the characteristics of dbms?

Basic Characteristics of DBMS • Represents complex relationship between data • Controls data redundancy. • Enforces user defined rules. • Ensures data sharing. • It has automatic and intelligent backup and recovery procedures. • It has central dictionary to store info (MORE)

What are the purpose of DBMS?

DBMS or database management systems are used to standardize theupdating, maintenance and extraction of data. They make certaintasks routine which allows for simpler programs to access the data.

What is field in dbms?

In a database management system, a field refers to the smallestunit of information about particular data. It helps in arrangingand accessing information.

What is the checkpoint in dbms?

Every transaction is recorded in a database log. In case of failurethe entire log is processed. This will take too much time.To reducetime overhead a concept called checkpoint is introduced.Checkpointsis also known as save points .Only all transactions after thelast failure are recorded in the log. (MORE)

What is need of dbms?

Database Management System DBMS is used to store information in the form of tables columns and rows, interconnected by keys and accessible throughout an interface. Examples: SQL, MYSQL, ORACLE, etc ...

What are the goals of DBMS?

1. To manage record of information in a desired manner. 2. Provide easy access to user. 3. minimum redundancy. 4. provide easy way to upgrade data.

What is DBMS system?

dbms is data base management system .It is combination of the data base & the the softwares to access the data from the database. eg:Poracle 91,dbase; for more reply to rexrer234@gmail.com

What is advanced dbms?

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 databases. See the related link listed below for more information:

Is excel a DBMS?

Not really, but now a days, every software that deals with data storage, has some feature of DBMS.

What are the DBMS benefits?

DBMS Benefits 1.Improved strategic use of corporate data 2.Reduced complexity of the organization's information systems environment 3.Reduced data redundancy and inconsistency 4.Enhanced data integrity application-data independence 5.Improved security 6.Reduced application development an (MORE)

What are the scope of dbms?

its really good course because the d.b.m.s is the need of today time as in many companies...........many productions managements.

What is DBMS and what r the features of Dbms?

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 DBM (MORE)

What is a snapshot IN DBMS?

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.

What is class in DBMS?

class in dbms is nothing but a collection of attributes.... class in java is defined as collection of objects....:D

What is entity of DBMS?

Entitie are the principal data object about which information is to be collected. Entities are usually reognizable concepts,either concrete or abstract, such as: person,university,employees etc.

What are rows in dbms?

In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.

What is a Lock in DBMS?

One major problem in databases is concurrency . Concurrency problems arise when multiple processes try to update or insert data into a database table at the same time. Such concurrent updates can cause data to become corrupt. Locking is a strategy that is used to prevent such concurrent updates (MORE)

What does an DBMS do?

DBMS is database management system and it stores data that are related. DBMS maintains data security and integrity as well.

What is connecitviy in dbms?

Connectivity in database management system is done using is done by making a connection object and using JDBC driver API. For database connectivity ognl.jar should be included in the project.