information_schema.columns.numeric_scale

mysql

type: BIGINT NULL
5.7-8

mariadb

type: NULL
Note:
For numeric types, the scale (significant digits to the right of the decimal point). NULL if not a numeric field.
© 2022 MariaDB
5.1-10.8

tidb

type: BIGINT(21) NULL
Note:
The numeric scale of a number-type column.
© 2022 PingCAP
4-6.1

postgres

type: CARDINAL_NUMBER NULL
Note:
If data_type identifies an exact numeric type, this column contains the (declared or implicit) scale of the type for this column. The scale indicates the number of significant digits to the right of the decimal point. It can be expressed in decimal (base 10) or binary (base 2) terms, as specified in the column numeric_precision_radix. For all other data types, this column is null.
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: CARDINAL_NUMBER
Note:
If data_type identifies an exact numeric type, this column contains the (declared or implicit) scale of the type for this column. The scale indicates the number of significant digits to the right of the decimal point. It can be expressed in decimal (base 10) or binary (base 2) terms, as specified in the column numeric_precision_radix. For all other data types, this column is null.
© 1996-2022 The PostgreSQL Global Development Group
8.3-9.6
Note:
If data_type identifies an exact numeric type, this column contains the (declared or implicit) scale of the type for this column. The scale indicates the number of significant digits to the right of the decimal point. It may be expressed in decimal (base 10) or binary (base 2) terms, as specified in the column numeric_precision_radix. For all other data types, this column is null.
© 1996-2022 The PostgreSQL Global Development Group
7.4-8.2

cockroachdb

type: unknown
Note:
If data_type is an exact numeric type, the scale (i.e., number of digits to the right of the decimal point); otherwise NULL.
© 2022 CockroachDB
2-21.2
Note:
If DATA_TYPE is an exact numeric type, the scale (i.e., number of digits to the right of the decimal point); otherwise NULL.
© 2022 CockroachDB
1-1.1

mssql

type: INT NULL
Note:
Scale of approximate numeric data, exact numeric data, integer data, or monetary data. Otherwise, NULL is returned.
© Microsoft 2022
aps-pdw-2016-sql-server-ver15