This view indicates which tables have
AUTO_INCREMENT columns and provides
information about those columns, such as the current and
maximum column values and the usage ratio (ratio of used to
possible values). By default, rows are sorted by descending
usage ratio and maximum column value.
Tables in these schemas are excluded from view output:
This view was added in MySQL 5.7.9.
view has these columns:
The schema that contains the table.
The table that contains the
The name of the
The data type of the column.
The column type of the column, which is the data type plus possibly other information. For example, for a column with a
bigint(20) unsignedcolumn type, the data type is just
Whether the column type is signed.
Whether the column type is unsigned.
The maximum permitted value for the column.
AUTO_INCREMENTvalue for the column.
The ratio of used to permitted values for the column. This indicates how much of the sequence of values is “used up.”