# String limitations

The following table lists limitations on string values in Derby.

Table 1. String limitations
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

Parent topic: Derby limitations
Related reference
Limitations for database values
DATE, TIME, and TIMESTAMP limitations
Limitations on identifier length
Numeric limitations
XML limitations