Limitations for database values

The following table lists limitations on various database values in Derby.

Table 1. Database limitations
Value	Limit
Maximum columns in a table	1,012
Maximum columns in a view	5,000
Maximum indexes on a table	32,767 or storage capacity
Maximum tables referenced in an SQL statement or a view	Storage capacity
Maximum elements in a select list	1,012
Maximum predicates in a WHERE or HAVING clause	Storage capacity
Maximum number of columns in a GROUP BY clause	32,677
Maximum number of columns in an ORDER BY clause	1,012
Maximum number of prepared statements	Storage capacity
Maximum declared cursors in a program	Storage capacity
Maximum number of cursors opened at one time	Storage capacity
Maximum number of constraints on a table	Storage capacity
Maximum level of subquery nesting	Storage capacity
Maximum number of subqueries in a single statement	Storage capacity
Maximum number of rows changed in a unit of work	Storage capacity
Maximum constants in a statement	Storage capacity
Maximum depth of cascaded triggers	16