. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.9. Custom Data Types — Domains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302 7.7.2. Custom Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SUB_TYPE implies SUB_TYPE TEXT. Custom Subtypes It is also possible to add custom data subtypes, for which the range of enumeration from -1 to -32,768 is reserved. Custom subtypes enumerated with positive

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61 3.11. Custom Data Types — Domains. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401 7.8.2. Custom Exceptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SUB_TYPE implies SUB_TYPE TEXT. Custom Subtypes It is also possible to add custom data subtypes, for which the range of enumeration from -1 to -32,768 is reserved. Custom subtypes enumerated with positive

v.2.0, it is no longer necessary and the server itself does not need this option. However, some custom UDFs may use the Win32 messaging facilities and this option allows them to work as expected. Known same Firebird engine. The differences are in the ways the server module uses machine and network resources. Briefly: • Classic runs a stub process named fb_inet_server.exe on Windows that listens for connection optionally, “De- veloper and admin tools components” checked on. There is also a drop-down for a custom installation which new users can safely ignore. The next screen of interest enables you to set up

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.2.4. Custom names for SYSDBA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . It would not take long to discover the key simply by comparing the decompiled versions of your custom Firebird build with the normal, unencrypted version. Various database products do exist which purport version of the Firebird server that ignores security constraints. Chapter 4. The Solution 8 4.2.4. Custom names for SYSDBA There has been some suggestion about allowing the SYSDBA user name to be changed

cross-referenced. • Read the Firebird Reference Guide, chapter 10: Resources and References – for a collection of useful resources about Firebird, SQL and database application development. • Order the

пользователем исключения. Синтаксис: EXCEPTION [ [custom-message]] ::= имя заранее созданного исключения [custom-message] ::= текст, выдаваемый при вызове исключения IF (SQLCODE <> 0) THEN MSG = 'Обнаружена ошибка SQL!'; ELSE MSG = 'Ошибки нет!'; EXCEPTION EX_CUSTOM MSG; END Важное замечание: SQLCODE в настоящее время устарела, т.к. введён SQL-2003-совместимый 'Нарушение ограничения целостности!' ELSE 'Ошибок нет! SQLSTATE = ' || SQLSTATE; END; EXCEPTION EX_CUSTOM MSG; 217 Руководство по языку SQL END Примечания: • SQLSTATE предназначен для замены SQLCODE

исключения или повторный вызов исключения. Доступно в: PSQL. Синтаксис: EXCEPTION exception_name [custom_message | USING ()] ::= [, [, . Таблица 6.20. Параметры оператора EXCEPTION Параметр Описание exception_name Имя исключения. custom_message Альтернативный текст сообщения, выдаваемый при возникновении исключения. Максимальная WHEN SQLSTATE '22003' DO EXCEPTION E_CUSTOM_EXCEPTION 'Numeric value out of range.'; WHEN SQLSTATE '22012' DO EXCEPTION E_CUSTOM_EXCEPTION 'Division by zero.'; WHEN SQLSTATE

oder eine Ausnahme erneut auslösen Verfügbar in PSQL Syntax EXCEPTION [ exception_name [ custom_message | USING ()] ] ::= [, ...] Chapter 7. Prozedurale Tabelle 109. EXCEPTION-Anweisungsparameter Argument Beschreibung exception_name Name der Ausnahme custom_message Alternativer Nachrichtentext, der an die Aufruferschnittstelle zurückgegeben wird, wenn sich außerhalb des Blocks befindet, hat der erneut ausgelöste EXCEPTION-Aufruf keine Wirkung.  Custom exceptions are stored in the system table RDB$EXCEPTIONS. EXCEPTION-Beispiele 1. Auslösen einer

protocol version 11 An allocate can only be sent together with a Prepare operation. 5.2. Free Frees resources held by the statement. Client Int32 Operation code (op_free_statement) Int32 Statement handle

PDF. Están completamente enlazados entre sí. • Lea el capítulo 10 de Firebird Reference Guide: Resources and References – para ver una colección de útiles recursos sobre Firebird, SQL y el desarrollo de