............................... 468 VAR_POP ............................................................................................................... 469 VAR_SAMP ............................... -- PSQL объявления с начальным значением DECLARE VARIABLE VAR1 BOOLEAN = TRUE; -- Допустимый синтаксис, но как и сравнение -- с NULL, никогда не вернёт ни одной типу), при преобразовании игнорируются любые ограничения домена. При использовании TYPE OF с типом (VAR)CHAR набор символов и сортировка сохраняются. Преобразование к типу столбца При преобразовании к

. 507 9.3.6. VAR_POP() . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508 9.3.7. VAR_SAMP() . . . . Chapter 3. Data Types and Subtypes 51 6. PSQL declaration with start value DECLARE VARIABLE VAR1 BOOLEAN = TRUE; 7. Valid syntax, but as with a comparison with NULL, will never return any record Numeric types, [VAR]CHAR, BLOB [VAR]CHAR [VAR]CHAR, BLOB, Numeric types, DATE, TIME, TIMESTAMP, BOOLEAN BLOB [VAR]CHAR, BLOB, Numeric types, DATE, TIME, TIMESTAMP, BOOLEAN DATE, TIME [VAR]CHAR, BLOB, TIMESTAMP

. 467 9.2.6. VAR_POP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 468 9.2.7. VAR_SAMP. . . . . . 3 6. PSQL-Deklaration mit Startwert DECLARE VARIABLE VAR1 BOOLEAN = TRUE; 7. Gültige Syntax, aber wie bei einem Vergleich mit NULL, wird nie ein Datensatz Numerische Typen, [VAR]CHAR, BLOB [VAR]CHAR [VAR]CHAR, BLOB, Numerische Typen, DATE, TIME, TIMESTAMP, BOOLEAN BLOB [VAR]CHAR, BLOB, Numerische Typen, DATE, TIME, TIMESTAMP, BOOLEAN DATE, TIME [VAR]CHAR, BLOB

сортировки в Firebird 6.1 Специфичные атрибуты сортировок 6.2 Максимальная длина индексируемого (VAR)CHAR 6.3 Макс. число индексов в таблице, начиная с Firebird 2.0 7.1 Размещение NULL при сортировке зависимости от размера страницы и набора символов. Таблица 6.2 Максимальная длина индексируемого (VAR)CHAR Размер страницы Максимальная длина индексируемой строки для набора символов 1 байт/символ Служит для объявления локальной переменной в PSQL. Синтаксис: DECLARE [VARIABLE] varname <var_spec>; <var_spec> ::= [NOT NULL] [] [] | CURSOR FOR (select-statement) ::=

types, [VAR]CHAR, BLOB [VAR]CHAR [VAR]CHAR, BLOB, Numeric types, DATE, TIME, TIMESTAMP BLOB [VAR]CHAR, BLOB, Numeric types, DATE, TIME, TIMESTAMP DATE, TIME [VAR]CHAR, BLOB, TIMESTAMP TIMESTAMP [VAR]CHAR DOMAIN. Short Syntax CREATE DOMAIN name [AS] [DEFAULT { | | NULL | var>}] [NOT NULL] [CHECK ()] [COLLATE ] See also CREATE DOMAIN in the Data Short Syntax ALTER DOMAIN name [{TO }] [{SET DEFAULT { | NULL | var>} | Chapter 3. Data Types and Subtypes 48 DROP DEFAULT}] [{ADD [CONSTRAINT] CHECK ()

[ ...] [TAGS (var> [, var> ...]] [CREATE OR] ALTER {USER username | CURRENT USER} [SET] [ [ ...]] [TAGS (var> [, var> ...]] DROP USER username) 'lastname' | {GRANT | REVOKE} ADMIN ROLE | {ACTIVE | INACTIVE} | USING PLUGIN plugin_name var> ::= tag_name = 'tag_value' | DROP tag_name Tags are optional key-value pairs that can be freely — for example — connect to “frodo:zappa” without having to know that the real location is frodo:/var/firebird/music/underground/mothers_of_invention.fdb. Aliases also allow you to relocate databases

exist, then change to root user and create the directory: $su - root $mkdir -p /var/firebird $chown firebird:firebird /var/firebird Installing on POSIX Platforms 38 2. Create a new physical or firebird user, run the following script: $cd /opt/firebird/bin $./createAliasDB.sh test.fdb /var/firebird/test.fdb (Usage is: createAliasDB.sh ) 3. As an alternative $vi /opt/firebird/aliases.conf and add the line at the end of the file: test.fdb /var/firebird/test.fdb 4. Then create the database: $/opt/firebird/bin/isql -u sysdba -p

-625 335544347 not_valid Validation error for column @1, value "@2" -625 335544879 not_valid_for_var Validation error for variable @1, value "@2" -625 335544880 not_valid_for Validation error for @1 dsql_sqlda_err SQLDA missing or incorrect version, or incorrect number/type of variables -804 335544584 dsql_var_count_err Count of read-write columns does not equal count of values -804 335544586 dsql_function_err 335544641 dsql_domain_not_found Specified domain or source column @1 does not exist -901 335544656 dsql_var_conflict Variable @1 conflicts with parameter in same procedure -901 335544666 srvr_version_too_old

a client can e.g. connect to “frodo:zappa” without having to know that the real location is frodo:/var/firebird/music/ underground/mothers_of_invention.fdb. Aliases also allow you to relocate databases C:\Firebird\Databases\cardgames\blkjk_2.fdb And on Linux: books = /home/bookworm/database/books.fdb zappa = /var/firebird/music/underground/mothers_of_invention.fdb Giving the alias an .fdb (or any other) extension Examples: • On Linux/Unix: pongo:/opt/firebird/examples/empbuild/employee.fdb bongo:fury 112.179.0.1:/var/Firebird/databases/butterflies.fdb localhost:blackjack.fdb Firebird 2.0 and 2.1 Quick Start 22

„frodo:zappa“ verbinden, ohne hierbei wissen zu müssen, dass der tatsächliche Speicherort der Datenbank frodo:/var/firebird/ music/underground/mothers_of_invention.fdb ist. Aliase erlauben auch, dass Sie Datenban- C:\Firebird\Databases\cardgames\blkjk_2.fdb Und unter Linux: books = /home/bookworm/database/books.fdb zappa = /var/firebird/music/underground/mothers_of_invention.fdb Firebird 2 Schnellanleitung 17 Die Verwendung • Unter Linux/Unix: pongo:/opt/firebird/examples/empbuild/employee.fdb bongo:fury 112.179.0.1:/var/Firebird/databases/butterflies.fdb localhost:blackjack.fdb • Unter Windows: siamang:C:\Biology\