Summary of data types¶
Snowflake supports most SQL data types. The following table provides a summary of the supported data types:
| Category | Type | Notes | 
|---|---|---|
| NUMBER | Default precision and scale are (38,0). | |
| DECIMAL, NUMERIC | Synonymous with NUMBER. | |
| INT, INTEGER, BIGINT, SMALLINT, TINYINT, BYTEINT | Synonymous with NUMBER, except precision and scale can’t be specified. | |
| FLOAT, FLOAT4, FLOAT8 | [1] | |
| DOUBLE, DOUBLE PRECISION, REAL | Synonymous with FLOAT. [1] | |
| VARCHAR | Default length is 16777216 bytes. Maximum length is 134217728 bytes. | |
| CHAR, CHARACTER | Synonymous with VARCHAR, except the default length is VARCHAR(1). | |
| STRING, TEXT | Synonymous with VARCHAR. | |
| BINARY | ||
| VARBINARY | Synonymous with BINARY. | |
| BOOLEAN | Currently only supported for accounts provisioned after January 25, 2016. | |
| DATE | ||
| DATETIME | Synonymous with TIMESTAMP_NTZ. | |
| TIME | ||
| TIMESTAMP | Alias for one of the TIMESTAMP variations (TIMESTAMP_NTZ by default). | |
| TIMESTAMP_LTZ | TIMESTAMP with local time zone; time zone, if provided, isn’t stored. | |
| TIMESTAMP_NTZ | TIMESTAMP with no time zone; time zone, if provided, isn’t stored. | |
| TIMESTAMP_TZ | TIMESTAMP with time zone. | |
| VARIANT | ||
| OBJECT | ||
| ARRAY | ||
| ARRAY | ||
| OBJECT | ||
| MAP | ||
| FILE | ||
| GEOGRAPHY | ||
| GEOMETRY | ||
| VECTOR | 
[1] A known issue in Snowflake displays FLOAT, FLOAT4, FLOAT8, REAL, DOUBLE, and DOUBLE PRECISION as FLOAT, even though they are stored as DOUBLE.