The following table lists limitations on string values in Derby.
| Value | Maximum Limit |
|---|---|
| Length of CHAR | 254 characters |
| Length of VARCHAR | 32,672 characters |
| Length of LONG VARCHAR | 32,700 characters |
| Length of CLOB | 2,147,483,647 characters |
| Length of BLOB | 2,147,483,647 characters |
| Length of character constant | 32,672 |
| Length of concatenated character string | 2,147,483,647 |
| Length of concatenated binary string | 2,147,483,647 |
| Number of hex constant digits | 16,336 |
| Length of DOUBLE value constant | 30 characters |