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What are the data types of mongodb

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Release: 2024-04-07 17:30:20
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MongoDB supports a variety of data types, including numeric types (Double, Int, Long, Decimal128), string types (String, ObjectId), Boolean types (Bool), date and time types (Date, Timestamp) , binary types (Binary), other types (Null, Array, Object), and extended JSON data types (Regex, JavaScript, Symbol).

What are the data types of mongodb

MongoDB data types

MongoDB is a document database that supports rich data types, to store data of various formats and properties. These types include:

Numeric types:

  • Double: 64-bit floating point number used to store decimals and very large numbers .
  • Int: 32-bit signed integer used to store integers.
  • Long: A 64-bit signed integer used to store very large integers.
  • Decimal128: A 128-bit decimal floating point number used to store precise decimals.

String type:

  • String: UTF-8 encoded Unicode string used to store text and symbol.
  • ObjectId: A 12-byte unique identifier that uniquely identifies the document.

Boolean type:

  • Bool: Boolean value, used to represent true or false.

Date and time types:

  • Date: Representation of date and time in milliseconds since the epoch (UNIX epoch ) since storage.
  • Timestamp: A 64-bit date and timestamp, where the first 32 bits are seconds and the last 32 bits are nanoseconds.

Binary type:

  • Binary: Arbitrary sequence of bytes, used to store images, files, and binary data.

Other types:

  • Null: Indicates that the value does not exist.
  • Array: An ordered collection of elements. The elements can be of any data type.
  • Object: A set of key-value pairs, where the key is a string and the value can be any data type.

Extended JSON Data Types:

  • Regex: Regular expression, used for Match text pattern.
  • JavaScript: A special type that can store and execute JavaScript code.
  • Symbol: Similar to string, but with stricter syntax rules.

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