user-defined objects. However, just because you can does not say you should. The Firebird engine implements a high-level subset of SQL (DDL) for the purpose of defining and operating on metadata objects, typically More about NULLs: Replaced note about the Null Guide being updated with a para announcing the availability of the new version. Backup: Updated information on UFB. How to get help: Updated documentation

“gbak”. I have not bothered to write my own BLR decoder at this stage, so DBak relies on the availability of the source code in order to be able to build a DDL script to reconstruct a database. Chapter

increment value. Chapter 3. SQL statements for generators 7 3.2. Use of generator statements The availability of statements and functions depends on whether you use them in: • Client SQL — The language you

various mathematical operations, such as LOG(), EXP() and so on, and aggregate functions using a high precision numeric argument, will be DECFLOAT(34). 3.3.1. NUMERIC Data Type Declaration Format key set.  A descending index can be useful on a column that will be subjected to searches on the high values (“newest”, maximum, etc.)  Firebird uses B-tree indexes, which are bidirectional. However terminated. A FOR SELECT statement does this automatically. Nevertheless, declared cursors provide a high level of control over sequential events and allow several cursors to be managed in parallel. • The

%ld.%ld, support %ld.%ld -820 335544437 wrodynver Wrong DYN version -820 335544467 high_minor Minor version too high found %ld expected %ld -823 335544473 invalid_bookmark Invalid bookmark handle -824

found @2.@3, support @4.@5 -820 335544437 wrodynver Wrong DYN version -820 335544467 high_minor Minor version too high found @1 expected @2 -820 335544881 need_difference Difference file name should be

page buffers value as an ultimate parameter to improve Firebird’s performance, and don’t set it too high without clear understanding what are you doing. The setting applies only to the database you specify the only key is incorrect in index, gfix marks whole index as bad, so number of pages usually is high. However, since it does not affect user’s data, and due to the fact that corrupted indices will be

of version chains under high load. It means that some queries may be slower to start to return data if the volume of old record versions in the affected tables is especially high. ODS10 and lower databases

key set.  A descending index can be useful on a column that will be subjected to searches on the high values (“newest”, maximum, etc.) Computed (Expression) Indexes In creating an index, you can use terminated. A FOR SELECT statement checks it automatically. Nevertheless, declared cursors provide a high level of control over sequential events and allow several cursors to be managed in parallel. • The 32767 characters. Workaround: with long BLOBs, always specify char_length( str) — or a sufficiently high integer — as the third argument, unless you are sure that the requested substring fits within 32767