Quick Answer: What kind of data can be stored in MySQL?

What kind of data can be stored in a database?

The purpose of every database is to store information, texts, images, even media files. All dynamic modern websites rely on one or more databases for storing articles and other published content, information about the users, contact information, connections to other websites, ads, etc.

Can we store data in MySQL?

Basically mySQL stores data in files in your hard disk. It stores the files in a specific directory that has the system variable “datadir”. Opening a mysql console and running the following command will tell you exactly where the folder is located.

What is the data type of time?

Date and Time data types

Data type Format Accuracy
time hh:mm:ss[.nnnnnnn] 100 nanoseconds
date YYYY-MM-DD 1 day
smalldatetime YYYY-MM-DD hh:mm:ss 1 minute
datetime YYYY-MM-DD hh:mm:ss[.nnn] 0.00333 second

What is data storage give example?

Data storage is the recording (storing) of information (data) in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. … Electronic data storage requires electrical power to store and retrieve data.

How do we store data in database?

Relational databases store data in tables. Think of a table as a spreadsheet. The database stores data for each table in a row, just like in a spreadsheet. There are lots of different column types, but a column type is just a fancy way of defining the format of a column.

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Where is MySQL data stored?

The default data directory location is C:Program FilesMySQLMySQL Server 8.0data , or C:ProgramDataMysql on Windows 7 and Windows Server 2008. The C:ProgramData directory is hidden by default.

Is MySQL a file?

Its a MySQL database configuration file. This is the main configuration file of MySQL server. This is found in the root directory where the installation is done. In this file, the user can find the location of data folder.

What is JSON data type in MySQL?

MySQL supports a native JSON data type defined by RFC 7159 that enables efficient access to data in JSON (JavaScript Object Notation) documents. … JSON documents stored in JSON columns are converted to an internal format that permits quick read access to document elements.

What are 4 types of data?

4 Types of Data: Nominal, Ordinal, Discrete, Continuous

  • These are usually extracted from audio, images, or text medium. …
  • The key thing is that there can be an infinite number of values a feature can take. …
  • The numerical values which fall under are integers or whole numbers are placed under this category.
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