MongoDB data types
Documents in MongoDB are JSON-like objects. JSON is a simple representation of data. It supports the following data types:
null
: Thenull
 data type is used to represent theÂnull
value as well as a value that does not exist:
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boolean
: Theboolean
type is used to representtrue
andfalse
values:
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number
: In MongoDB, the shell default supports 64-bit floating-point numbers. To process long and integer numbers, MongoDB providesNumberLong
andNumberInt
, which represent 4 bytes and 8 bytes, respectively.string
: Thestring
data type represents the collection of characters. The MongoDB default supports UTF-* character encoding:
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date
: MongoDB stores dates in milliseconds since the epoch. The time zone information is not saved:
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- After inserting a date using the preceding way in the document, when we query using
find
it returns a document with a date in the following format:
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array
: A set or list of values represents arrays. Also, multiple JSON objects represent an array of elements. The...