About CarbonData Table

Description

CarbonData tables are similar to tables in the relational database management system (RDBMS). RDBMS tables consist of rows and columns to store data. CarbonData tables have fixed columns and also store structured data. In CarbonData, data is saved in entity files.

Supported Data Types

CarbonData tables support the following data types:

Int
String
BigInt
Decimal
Double
TimeStamp

Table 1 describes the details about each data type.

**Table 1** CarbonData data types
Data Type	Description
Int	4-byte signed integer ranging from -2,147,483,648 to 2,147,483,647 NOTE: If a non-dictionary column is of the int data type, it is internally stored as the BigInt type.
String	The maximum character string length is 100000.
BigInt	Data is saved using the 64-bit technology. The value ranges from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807.
Decimal	The default value is (10,0) and maximum value is (38,38). NOTE: When query with filters, append BD to the number to achieve accurate results. For example, *select from carbon_table where num = 1234567890123456.22BD**.
Double	Data is saved using the 64-bit technology. The value ranges from 4.9E-324 to 1.7976931348623157E308.
TimeStamp	yyyy-MM-dd HH:mm:ss format is used by default.