information_schema.sequences.data_type

mysql

mariadb

tidb

postgres

type: CHARACTER_DATA NULL
Note:
The data type of the sequence.
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: CHARACTER_DATA
Note:
The data type of the sequence. In PostgreSQL, this is currently always bigint.
© 1996-2022 The PostgreSQL Global Development Group
8.2-9.6

cockroachdb

type: unknown
Note:
The data type of the sequence.
© 2022 CockroachDB
2-21.2

mssql