Why is the database changed ? Explain ?

Why is the database changed ? Explain ?
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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.
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Related questions

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.

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 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.

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 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 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 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.

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.

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.

What is Relational Database Management System ?

Description : What is Relational Database Management System ?

Last Answer : 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.

As a result of using information technology, an employee becomes much more efficient in his work '- Explain the statement. ?

Description : As a result of using information technology, an employee becomes much more efficient in his work '- Explain the statement. ?

Last Answer : As a result of the huge development of information and communication technology, different types of changes have taken place at different levels of society. Early on, it was thought that automation and ... worker much more efficient. As a result, many organizations can do more work with less staff.

Explain "Increasing people's engagement in technology increases their productivity" ?

Description : Explain "Increasing people's engagement in technology increases their productivity" ?

Last Answer : The development of information and technology has led to various changes at different levels of society. People have learned to use information technology in all fields. People are learning to use ... MIT in America. In this way , Iqbal Qadir has defined that connectivity is roductivity .

Why Font family is used in HTML ? Explain ?

Description : Why Font family is used in HTML ? Explain ?

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What kind of resources are indicated by hyperlinks ? Explain. ?

Description : What kind of resources are indicated by hyperlinks ? Explain. ?

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Specifies the key - explain ?

Description : Specifies the key - explain ?

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One design independent of another - explain ?

Description : One design independent of another - explain ?

Last Answer : Each html document is called a design. Use the design or frame to display multiple html documents in the same browser window . That is why it is called - one design is independent of the other.

Do I need an internet connection to view web pages ? Explain ?

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Explain the logic circuit that is useful for interpreting mechanical language in human language ?

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Explain which argument is 1 + 1 = 1 and 1 + 1 = 10 ?

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Why is digital signal useful in computer case ? Explain ?

Description : Why is digital signal useful in computer case ? Explain ?

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Description : Explain the technology of molecular level research ?

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Description : Explain ?

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Description : Anti-hacking activities - Explain ?

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Description : Explain the treatment method at low temperature ?

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Description : Telemedicine is a kind of service ”- Explain ?

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The World Relies on Information Technology - Explain ?

Description : The World Relies on Information Technology - Explain ?

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Explain the role of online library in education ?

Description : Explain the role of online library in education ?

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What is the data used in Bioinformatics ? Explain ?

Description : What is the data used in Bioinformatics ? Explain ?

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Explain the speed of 9600 bps . ?

Description : Explain the speed of 9600 bps . ?

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Bishwagram is an internet dependent system- Explain ?

Description : Bishwagram is an internet dependent system- Explain ?

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Modulation or demodulation alone cannot be an effective method- Explain ?

Description : Modulation or demodulation alone cannot be an effective method- Explain ?

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