information_schema.element_types.character_maximum_length

mysql

mariadb

tidb

postgres

type: CARDINAL_NUMBER NULL
Note:
Always null, since this information is not applied to array element data types in PostgreSQL
© 1996-2022 The PostgreSQL Global Development Group
10-15
type: CARDINAL_NUMBER
Note:
Always null, since this information is not applied to array element data types in PostgreSQL
© 1996-2022 The PostgreSQL Global Development Group
7.4-9.6

cockroachdb

mssql