# Data types
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The data for each column of your dataset are converted to one of the following data types:
+ **byte** – 1-byte signed integer numbers. The range of numbers is from -128 to 127.
+ **short** – 2-byte signed integer numbers. The range of numbers is from -32768 to 32767.
+ **integer** – 4-byte signed integer numbers. The range of numbers is from -2147483648 to 2147483647.
+ **long** – 8-byte signed integer numbers. The range of numbers is from -9223372036854775808 to 9223372036854775807.
+ **float** – 4-byte single-precision floating point numbers.
+ **double** – 8-byte double-precision floating point numbers.
+ **decimal** – Signed decimal numbers with up to 38 digits total and 18 digits after the decimal point.
+ **string** – Character string values.
+ **boolean** – Boolean type has one of two possible values: `true` and `false` or `yes` and `no`.
+ **timestamp** – Values comprising fields year, month, day, hour, minute, and second.
+ **date** – Values comprising fields year, month and day.

## Advanced data types
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*Advanced data types* are data types that DataBrew detects within a string column in a project, and therefore are not part of a dataset. For information about advanced data types, see [ Advanced data types](projects.adv-data-types.md#projects.adv-data-types.title).