part of the SQL specifications. Originally, PSQL extensions were available in persistent stored modules (procedures and triggers) only, but in more recent releases they were surfaced in Dynamic SQL as see Expressions. 2.6. Comments Comments may be present in SQL scripts, SQL statements and PSQL modules. A comment can be any text specified by the code writer, usually used to document how particular executed, if no value is specified for it in the DML statement. Local variables and arguments in PSQL modules that reference this domain will be initialized with the default value. For the default value, use

part of the SQL specifications. Originally, PSQL extensions were available in persistent stored modules (procedures and triggers) only, but in more recent releases they were surfaced in Dynamic SQL as see Expressions. 2.6. Comments Comments may be present in SQL scripts, SQL statements and PSQL modules. A comment can be any text specified by the code writer, usually used to document how particular executed, if no value is specified for it in the DML statement. Local variables and arguments in PSQL modules that reference this domain will be initialized with the default value. For the default value, use

Defined Functions) sont des fonctions qui ne sont pas internes au moteur, mais définies dans des modules séparés. Firebird est livré avec deux bibliothèques UDF : ib_udf (héritée d' InterBase) et fbudf

application is attempting to commit. Exceptions can be interleaved, and shared among the different modules of an application, and even among different applications sharing a database. They provide a simple

(User-Defined Functions) are functions that are not internal to the engine, but defined in separate modules. Firebird ships with two UDF libraries: ib_udf (a widely used “InterBase library”) and fbudf. You