it won’t work if you truncate it to the first 20 characters! Legacy authentication The installer does not offer an option to enable legacy authentication. You will need to configure this manually if should be), you should not use the Legacy_Auth authentication plugin or enable it only temporarily while you upgrade your existing clients to Firebird 5.0. The legacy connection method sends passwords 0.n with your version number, e.g. 5.0.0 or 5.0.1 If you’re running applications that expect the legacy libraries to be present, also create the following symlinks: Chapter 3. Installing Firebird 13

Three dialects are available: • Dialect 1 is intended solely to allow backward comptibility with legacy databases from very old InterBase versions, v.5 and below. Dialect 1 databases retain certain language and cannot be set in the database. It is intended to assist debugging of possible problems with legacy data when migrating a database from dialect 1 to 3. • In Dialect 3 databases, ◦ numbers (DECIMAL generator in Firebird and its ancestor, InterBase. The NEXT VALUE FOR operator is equivalent to the legacy GEN_ID (…, increment) function with increment the increment stored in the metadata of the sequence

триггера. Доступно в: DSQL, ESQL. Синтаксис: CREATE TRIGGER trigname { legacy> | | | } { | } ::= EXTERNAL NAME '' ENGINE [AS ] legacy> ::= FOR {tablename | viewname} [ACTIVE | INACTIVE] {BEFORE | AFTER} [POSITION TRIGGER Параметр Описание trigname Имя триггера. Может содержать до 31 байта. relation_trigger_legacy Объявление табличного триггера (унаследованное). relation_trigger_sql2003 Объявление табличного

.................................................................................. 30 Supporting legacy applications and drivers ....................................................................... simultaneously. Change to API DPB Parameters in V.2.1.2 and V.2.0.5: IMPORTANT A long-standing, legacy loophole in the handling of DPB parameters enabled ordinary users to make con- nection settings that RelaxedAliasChecking. It is not the default behaviour and its sole purpose is to allow a window for people to bring legacy code into line. It will be deprecated in future so there is no good reason for anyone to write non-compliant

Dialekte stehen zur Verfügung: • Dialekt 1 dient ausschließlich dazu, die Abwärtskompatibilität mit Legacy-Datenbanken aus sehr alten InterBase-Versionen, v.5 und darunter, zu ermöglichen. Dialekt 1-Datenbanken password Passwort des Benutzers als Datenbankbesitzer. Bei Verwendung des Authentifizierungs-Plugins Legacy_Auth werden nur die ersten 8 Zeichen verwendet. Groß-/Kleinschreibung beachten Chapter 5. Anweisungen legacy> | | | } ::= !! Siehe auch Syntax des Modul-Bodys !! legacy> ::= FOR

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 8.1.2. Legacy Connection Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -help usage: isql [options] [] -a(ll) extract metadata incl. legacy non-SQL tables -b(ail) bail on errors (set bail on) -c(ache) brackets can be optionally used around an IPv4 address or domain name. 8.1.2. Legacy Connection Strings Firebird also has two “legacy” connection strings supported by all Firebird versions. If you use the

Three dialects are available: • Dialect 1 is intended solely to allow backward comptibility with legacy databases from very old InterBase versions, v.5 and below. Dialect 1 databases retain certain language and cannot be set in the database. It is intended to assist debugging of possible problems with legacy data when migrating a database from dialect 1 to 3. • In Dialect 3 databases, ◦ numbers (DECIMAL generator in Firebird and its ancestor, InterBase. The NEXT VALUE FOR operator is equivalent to the legacy GEN_ID (…, 1) function and is the recommended syntax for retrieving the next sequence value. Syntax

(lo- cal client with embedded engine, Classic only) The usual symlinks (*.so.2, *.so) are created. Legacy libgds.* symlinks are also in- stalled. /usr/lib[64] (actually, the real stuff is in /lib ib_util.dll \bin Client libraries fbclient.dll (with an optional gds32.dll, to support legacy apps) \bin (with an optional copy in – see note below table) The Windows m.n with your version number, e.g. 2.0.0 or 2.1.0 If you're running applications that expect the legacy libraries to be present, also create the following sym- links: ln -s /usr/lib/libfbclient.so /usr/lib/libgds

TRIGGER name {legacy> | | } AS [] BEGIN [] END legacy> ::= FOR {tablename | viewname}

came with your RC. If there is an installation program and it asks you whether it should install a legacy GDS32.DLL in the Windows system dir, answer Yes. Maybe you have to check a box on one of the setup