Numeric data types

This topic describes the numeric data types supported by PolarDB-X.

The numeric data types in PolarDB-X can be classified into two categories based on precision:

  • Exact numeric data types include:

    • Integer data types: TINYINT, SMALLINT, MEDIUMINT, INTEGER, and BIGINT
    • Fixed-point data types: DECIMAL and NUMERIC

  • Approximate numeric data types: FLOAT, REAL, DOUBLE PRECISION

The data types that are available in MySQL are also supported by DRDS. For more information, see Numeric data types in the Reference Manual of MySQL.

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