Data types are associated with the columns in the tables. The following types are supported:
| Type | Description | Value Range |
|---|---|---|
| Bigint | 8-byte signed integer. Please don’t use the minimum value (-9223372036854775808), which is system reserved value. | -9223372036854775807 ~ 9223372036854775807 |
| String | Support UTF-8 coding. | The threshold of single string length is allowed 2MB. |
| Boolean | Boolean type | True/False |
| Double | 8-byte, double precision floating number. | -1.0 10308 ~ 1.0 10308 |
| Datetime | Date type, use UTC+8 as the standard time system. | 0001-01-01 00:00:00 ~ 9999-12-31 23:59:59 |
Note:
- All data types can be NULL.