MongoDB Data Types

MongoDB supports many data types. Some of them are:

• String − This is the most commonly used data type for storing data. Strings in MongoDB must be UTF-8valid.

• Integer − This type is used to store numeric values. Integers can be32bit or 64bits, depending on your server.

• Boolean − This type is used to store boolean (true / false) value.

• Double − This type is used to store floating-point values.

• Min/ Max keys This type is used to compare values with the lowest and highest BSON elements.

• Arrays − This type is used to store an array or list or multiple values in a single key.

• Timestamp− ctimestamp (timestamp). This can be conveniently recorded when the document is modified or added.

• Object − This data type is used for embedded documents.

• Null − This type is used to store Null values.

• Symbol− This data type is the same as string; however, it is usually reserved for languages that use specific symbol types.

• Date − This data type is used to store the current date or time in UNIX time format. You can specify your own date and time by creating a Date object and passing the date, month, and year to it.

• Object ID − This data type is used to store the document's ID.

• Binary data − This data type is used to store binary data.

• Code − This data type is used to store JavaScript code in documents.

• Regular expression − This data type is used to store regular expressions.