IoTDB supports the following data types and encodings. For details, see Table 1.

**Table 1** Data types and encodings supported by IoTDB
Type	Description	Supported Encoding
BOOLEAN	Boolean	PLAIN, RLE
INT32	Integer	PLAIN, RLE, TS_2DIFF, GORILLA, FREQ, ZIGZAG
INT64	Long integer	PLAIN, RLE, TS_2DIFF, GORILLA, FREQ, ZIGZAG
FLOAT	Float	PLAIN, RLE, TS_2DIFF, GORILLA, FREQ
DOUBLE	Double	PLAIN, RLE, TS_2DIFF, GORILLA, FREQ
TEXT	String	PLAIN, DICTIONARY

Data Types and Encodings Supported by IoTDB