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In the world of SQL relational database the data type for VARCHAR is?
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Who is the fattest man is the world and what is his name and how much does he weigh?
Due to privacy laws and lack of real world data this infomation can not be obtained.
How many people in the world are called Benjamin?
There are 429,284 people in the US who are named Benjamin according to the 'How Many of Me' website based on US Census data.
What is the history of business intelligence and data warehousing?
Because businesses wanted to integrate their data, data warehousing was born. Dating back to the late 1980s, data warehousing is simply a single system that stores all of a company's data.
What's the history behind business intelligence?
Business intelligence began as a way to understand and analyze how systems and data interconnect. If one can do that, one can better determine how to utilize the data and systems to achieve a desired objective in a business context.
Accumulating data on citizens done today and during ancient Greece is called the?
Census.
Does a relational database store data in the form of a list?
A relational database stores data in the form of TABLES.
What are the main theories of a relational database approach to storing and accessing data?
The main theories of a relational database approach include the relational model, which organizes data into tables with rows and columns; normalization, which reduces data redundancy and improves data integrity; and SQL (Structured Query Language), which is used to interact with the database for querying and manipulation of data. These theories aim to ensure data consistency, provide flexibility in querying data, and allow for scalability in managing large volumes of data.
Why is a relational database needed?
A relational database is needed for many things. A relational database is known for collecting and organizing various data items into different charts and pictures.
Which database object stores and organizes all the data in the database?
Relational Database
Advantages and disadvantages of relational data model?
Advantages of relational data model include data integrity through normalization, flexibility to query data using SQL, and ease of understanding relationships between entities. Disadvantages can include performance issues with complex queries, potential for data duplication across tables, and difficulty in scaling for very large datasets.
What is the relational database?
Relational database: Relational database means a collection data stored in different tables and each table are linked together by using primary key and foreign key. In relational database, data can be accessed from one table to another without reorganising the required table. The relational database was invented by E. F. Codd at IBM in 1970.
Difference between database and relational database explain with example?
Database = Generic name for a system to store data Relational Database = A specific type of database that utilizes relationships between data to not only store the data but further its efficiency in its manipulation.
In which database data is collected in the form of tables?
Relational databases like MySQL, PostgreSQL, Oracle, and SQL Server store data in tabular format, commonly referred to as tables. These tables consist of rows and columns, with each row representing a record and each column representing a different attribute or field of that record.
Examples of relational database and non relational database in real world?
A relational database is a database that groups data using common attributes found in the data set. The resulting "clumps" of organized data are much easier for people to understand. For example, a data set containing all the real estate transactions in a town can be grouped by the year the transaction occurred; or it can be grouped by the sale price of the transaction; or it can be grouped by the buyer's last name; and so on.
Which type of database stores data in tables that consist of rows and columns?
Relational database stores data in tables that consist of rows and columns. Each row represents a record and each column represents a field within that record. Relationships between tables are established through keys.
What are the differences between database management system Vs relational dbms?
the database management system analysis the data or record but relational database management system links the database to each other.
A row of data in a database is called?
In database the data is stored in the form of a table. A table can be seen as some number of rows and columns. And the row of the database table is called a record .
