Subject Re: [Firebird-Java] Re: Firebird & Hybernate
Author Helen Borrie
At 02:13 PM 24-07-02 +0000, roman rokytskyy wrote:
>a) in general, this is a question to IB-Support group;
>b) in InterBase/Firebird size of an index entry is limited to 127
>bytes. when you declare field unique, server creates an index
>automatically. so, you either remove 'unique' constraint on
>the 'name' column, or reduce size of the column to 127.

Actually, the index size limit is around 248 characters for a single-byte
character set, around 125 for two-byte and around 81 for three-byte. The
sizes are approximate because the size of "info bytes" stored on an index
varies slightly.


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Firebird Open SQL Database · ·