What is Relational Database Management System ?

What is Relational Database Management System ?
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Database databases are organized in different rows, that is, files are considered only in records, but also in tables with list rows and columns. This type of database is called relational database management system.
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RDBMS provides relational operators to manipulate the data. Here, RDBMS refers to (a) Record Database Management System -Technology

Description : RDBMS provides relational operators to manipulate the data. Here, RDBMS refers to (a) Record Database Management System -Technology

Last Answer : (b) RDBMS stands for Relational Database Management System, which provides the operator to manipulate the data stored in the database table.

Which of the following genres does Hadoop produce? a) Distributed file system b) JAX-RS c) Java Message Service d) Relational Database Management System

Description : Which of the following genres does Hadoop produce? a) Distributed file system b) JAX-RS c) Java Message Service d) Relational Database Management System

Last Answer : Distributed file system

n(log n) is referred to A. A measure of the desired maximal complexity of data mining algorithms B. A database containing volatile data used for the daily operation of an organization C. Relational database management system D. None of these

Description : n(log n) is referred to A. A measure of the desired maximal complexity of data mining algorithms B. A database containing volatile data used for the daily operation of an organization C. Relational database management system D. None of these

Last Answer : A. A measure of the desired maximal complexity of data mining algorithms

Which of the following is not a type of Database Management System? (A) Hierarchical (B) Network (C) Relational (D) Sequential

Description : Which of the following is not a type of Database Management System? (A) Hierarchical (B) Network (C) Relational (D) Sequential 

Last Answer : (D) Sequential

Expansion of RDBMS is (1) Repairable Database Management System (2) Relational Database Management System (3) Relational Database Memory System (4) Recurring Database Memory System

Description : Expansion of RDBMS is (1) Repairable Database Management System (2) Relational Database Management System (3) Relational Database Memory System (4) Recurring Database Memory System 

Last Answer : Relational Database Management System

A relational database management (RDBM) package manages datain morethan one file at once. How does itorganizethese file? As A. tables B. relations C. tuple D. both (a)and (b) E. None of the above

Description : A relational database management (RDBM) package manages datain morethan one file at once. How does itorganizethese file? As A. tables B. relations C. tuple D. both (a)and (b) E. None of the above

Last Answer : both (a)and (b)

Why is database called information management system ?

Description : Why is database called information management system ?

Last Answer : Databases are called information management methods because the stored information can be managed.

What is Relation Database Management System ( RDBMS) ?

Description : What is Relation Database Management System ( RDBMS) ?

Last Answer : RDBMS refers to the relationship between multiple tables in a database based on a specific field (primary and foreign keys) . For example: Oracle , MySql , Ms -Sql, Microsoft Access, Microsoft Access, FoxPro , etc. Inventor : Dr. Edger Codd in 1960 .

What is DBMS or Database Management System ?

Description : What is DBMS or Database Management System ?

Last Answer : DataBase Management System is the full form of DBMS . DBMS is a set of programs required for accessing , storing , controlling and managing interconnected information called database management systems.

Which of the following allows you to create instances of the MySQL database to support your Web sites? a) Amazon Elastic Compute Cloud b) Amazon Simple Queue Service c) Amazon Relational Database Service d) Amazon Simple Storage System

Description : Which of the following allows you to create instances of the MySQL database to support your Web sites? a) Amazon Elastic Compute Cloud b) Amazon Simple Queue Service c) Amazon Relational Database Service d) Amazon Simple Storage System

Last Answer : Amazon Relational Database Service

Which of the following is an edge-storage or content-delivery system that caches data in different physical locations? a) Amazon Relational Database Service b) Amazon SimpleDBc) Amazon Cloudfront d) Amazon Associates Web Services

Description : Which of the following is an edge-storage or content-delivery system that caches data in different physical locations? a) Amazon Relational Database Service b) Amazon SimpleDB c) Amazon Cloudfront d) Amazon Associates Web Services

Last Answer : Amazon Cloudfront

How are relationship between tables expressed in a relational database?

Description : How are relationship between tables expressed in a relational database?

Last Answer : Tables are the basic building blocks of a relationaldatabase.

Is it true or false that a relational database typically consists of related two dimensional tables?

Description : Is it true or false that a relational database typically consists of related two dimensional tables?

Last Answer : Need answer

In a relational database, this is a data structure that organizes the information about a single topic into rows and columns. 1) Block 2) Record 3) Tuple 4) Table 5) Command line interface

Description : In a relational database, this is a data structure that organizes the information about a single topic into rows and columns. 1) Block 2) Record 3) Tuple 4) Table 5) Command line interface

Last Answer : Answer :4

Which of the following describes a relational database? 1) It provides a relationship between integers 2) It consists of separate tables or related data 3) It retrieves data related to its queries 4) It provides a relationship between floats

Description : Which of the following describes a relational database? 1) It provides a relationship between integers 2) It consists of separate tables or related data 3) It retrieves data related to its queries 4) It provides a relationship between floats

Last Answer : 2) It consists of separate tables or related data

The Relational Model Database:

Description : The Relational Model Database:

Last Answer : The relational model is the most popular type of database and an extremely powerful tool, not only to store information, but to access it as well. Relational databases are organized as tables. The ... reorganizing the tables. A table can have many records and each record can have many fields.

Which of the following is not a logical database structure? A) Chain B) Network C) Tree D) Relational

Description : Which of the following is not a logical database structure? A) Chain B) Network C) Tree D) Relational

Last Answer : A) Chain

A top-to-bottom relationship among the items in a database is established by a A) Hierarchical schema B) Network schema C) Relational Schema D) All of the above

Description : A top-to-bottom relationship among the items in a database is established by a A) Hierarchical schema B) Network schema C) Relational Schema D) All of the above

Last Answer : A) Hierarchical schema

A relational database developer refers to a record as (A) a criteria. (B) a relation. (C) a tuple. (D) an attribute.

Description : A relational database developer refers to a record as (A) a criteria. (B) a relation. (C) a tuple. (D) an attribute.

Last Answer : C) a tuple

Which of the following statements concerning Object-Oriented databases is FALSE? (A) Objects in an object-oriented database contain not only data but also methods for processing the data. (B) Object-oriented databases store computational instructions in the same place as the data. (C) Object-oriented databases are more adapt at handling structures (analytical) data than relational databases. (D) Object-oriented databases store more types of data than relational databases and access that data faster.

Description : Which of the following statements concerning Object-Oriented databases is FALSE? (A) Objects in an object-oriented database contain not only data but also methods for processing the data. (B ... Object-oriented databases store more types of data than relational databases and access that data faster.

Last Answer : (C) Object-oriented databases are more adapt at handling structures (analytical) data than relational databases.

In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To avoid confusion with actual legitimate data values like 0 (zero) for integer columns and ‘’ (the empty string) for string columns. (C) To leave columns in a tuple marked as “unknown” when the actual value is unknown. (D) To fill a column in a tuple when that column does not really “exist” for that particular tuple.

Description : In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.

Last Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL.

Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) eliminating number of anomalies that could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced.

Description : Relational database schema normalization is NOT for: (A) reducing the number of joins required to satisfy a query. (B) eliminating uncontrolled redundancy of data stored in the database. (C) ... could otherwise occur with inserts and deletes. (D) ensuring that functional dependencies are enforced. 

Last Answer : reducing the number of joins required to satisfy a query.

The database in which records are organised in a tree-like structure is (1) Network database (2) Hierarchical database (3) Relational database (4) Object-oriented database

Description : The database in which records are organised in a tree-like structure is (1) Network database (2) Hierarchical database (3) Relational database (4) Object-oriented database

Last Answer : Hierarchical database

Distinguish between network database model and relational database model.

Description : Distinguish between network database model and relational database model. 

Last Answer : Network database model Relational database model Relationship between records is expressed in the form of pointers or links Relationship between records is represented by a relation that contains a key for ... logically in the form of rows and columns. Example:  Example: 

RDBMS means: a) Relational Data Base Management System b) Reliable Data Base Management System c) Relational Document Base Management System d) None of These

Description : RDBMS means: a) Relational Data Base Management System b) Reliable Data Base Management System c) Relational Document Base Management System d) None of These

Last Answer : a) Relational Data Base Management System

RDBMS means: a) Relational Data Base Management System b) Reliable Data Base Management System c) Relational Document Base Management System d) None of These

Description : RDBMS means: a) Relational Data Base Management System b) Reliable Data Base Management System c) Relational Document Base Management System d) None of These

Last Answer : a) Relational Data Base Management System

What is meant by database sorting ?

Description : What is meant by database sorting ?

Last Answer : sorting means sorting. data sorting means sorting data. A table can have many names . If the names are arranged in a table, it can be easily found out . Records can be sorted on any one or more fields. ... is done on a field, less time is required to search the record according to that field.

Why is the database changed ? Explain ?

Description : Why is the database changed ? Explain ?

Last Answer : Answer : The structure of the database is changed for the following reasons. 1. To change the name of the field in the table , 2. To change the data type of the field , 3. To change the size of the field , 4. To delete or delete the field , 5. Etc. to add new fields.

The index file in the database is updated automatically - explain. ?

Description : The index file in the database is updated automatically - explain. ?

Last Answer : The data is arranged in a special order so that the user can quickly find any data from the database. Indexing is the process of arranging the records in a database table in such a logical ... to the database file, the index files are automatically updated. This does not change the original file.

Why is sorting done in database ?

Description : Why is sorting done in database ?

Last Answer : Sorting can be done very easily using Microsoft Access program. First you have to select the field on which you want to sort the table. Then select Sort from the Record menu . Click on the latest Sort Ascending or Sort Desending . The field can be sorted by Ascending or Descending order

Why is SQL called a database tool ?

Description : Why is SQL called a database tool ?

Last Answer : RDBMS full name Relational Database Management System. RDBMS is a software-based management system used to create , control , establish , maintain , maintain , search, and search various data tables in a database .

How many headings are there in each column of a database ?

Description : How many headings are there in each column of a database ?

Last Answer : Each column in a database has a heading.

What is a database field ?

Description : What is a database field ?

Last Answer : Database field is the title of the column.

Which one is in a database ?

Description : Which one is in a database ?

Last Answer : A database contains row column records.

What is a database called ?

Description : What is a database called ?

Last Answer : Database is called database.

What are the keyboard commands for saving database files ?

Description : What are the keyboard commands for saving database files ?

Last Answer : The keyboard command for saving database files is Ctrl + S

What is the name of the database ?

Description : What is the name of the database ?

Last Answer : The database is called another DBMS .

What command is used to remove a table or index from a SQL database ?

Description : What command is used to remove a table or index from a SQL database ?

Last Answer : DROP TABLE is used to remove a table or index from a SQL database .

What is a corporate database ?

Description : What is a corporate database ?

Last Answer : Answer : A multidimensional database management system is a multidimensional database management system created by specialized software for storing and using essential information. Example: The data ... , insurance companies , multinational companies , government agencies , NGOs and networking.

What is Database Administrator ( DBA) ?

Description : What is Database Administrator ( DBA) ?

Last Answer : Answer : In DBMS , the person or organization who has the overall responsibility of database management is called Database Administrator .

How to create a database program ?

Description : How to create a database program ?

Last Answer : Answer : Database programs can be created in three ways namely a) Database creation from Database Wizard . B) Create a database from the menu. C) Creating database with database language.

What is Database Software ?

Description : What is Database Software ?

Last Answer : Answer : Database software is the software that can be used to store any data and sort it out as needed.

Write the name of some database software ?

Description : Write the name of some database software ?

Last Answer : There are many databases or database software . The most well-known and widely used database software is Oracle, MySQL , MySQL, Firrbird , MariaDB , Microsoft Access ( Microsoft Access or MS Access).

What is Database Software ?

Description : What is Database Software ?

Last Answer : Database means a database where a lot of information is stored. Database software is the software that saves data and can be used as needed .

How to enter data in database ?

Description : How to enter data in database ?

Last Answer : How to enter data in a database depends on the software with which the database is created. For example, let's say the database is created in Microsoft Access . So the data can be entered in the ... MySQL or with a web app created with a server based programming language such as PHP or Java .

How many types of database ?

Description : How many types of database ?

Last Answer : Database two types. Namely: 1. Client Server Database Distributed Database

What is Database ?

Description : What is Database ?

Last Answer : The word data means data and the word base means base or assembly. That is , a database is the sum of one or more interrelated data files.

What is a corporate database ?

Description : What is a corporate database ?

Last Answer : Large companies, especially banks , insurance companies , government and non-government organizations use a kind of database software for intercommunication system. That database is called corporate database.