system, but “free” does not mean that everything is per- mitted. The use of Firebird is governed by two licenses: the IPL (InterBase Public License) and the IDPL (Initial Developer's Public License). The org/idpl/ (IDPL) Firebird 2.0 and 2.1 Quick Start 5 Classic or Superserver? Firebird comes in two flavours, called architectures: Classic Server and Superserver. Which one should you install? That neither of the architectures is better in all respects. This is hardly surprising: we wouldn't maintain two separate architectures if one of them was an all-fronts loser. If you're still not sure what to choose

system, but “free” does not mean that everything is permitted. The use of Firebird is governed by two licenses: the IPL (InterBase Public License) and the IDPL (Initial Developer’s Public License). The the virtual TCP/IP loopback: ping localhost or ping 127.0.0.1 If you have a simple network of two machines linked by a crossover cable, you can set up your server with any IP address you like except Firebird server in the services listing. The Guardian may or may not be running, depending on the choices you made during installation. If you didn’t opt to start the server at the end of the installation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 8.2.17. POWER(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . that the open source, non-commercial Firebird community would never be granted right of use. The two important books from the InterBase 6 published set were the Data Definition Guide and the Language voluminous. It was going to be a big job but, for all concerned, a spare-time one. Then, in 2013-4, two benefactor companies — MICEX amd IBSurgeon — funded three writers to take up this stalled book outline

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 8.2.20. POWER(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . details. In this language reference we assume the default configuration of 63 characters (252 bytes). Two types of names are valid as identifiers: regular names, similar to variable names in regular programming how particular parts of the code work. The parser ignores the text of comments. Firebird supports two types of comments: block and in-line. Syntax ::= |

............................................................................... 14 Installation Choices ................................................................................................ an existing one, but instead reports an error. If you actually want the former behaviour, you have two alternatives: • Specify the full syntax gbak -REPLACE_DATABASE. There is a new shortcut for the - deployments. Please refer to the later section entitled Microsoft Runtime Libraries. Installation Choices On Windows, you have three server models to choose from: Superserver, Classic and Embedded Server

needed by beginners!) • Release notes – ESSENTIAL READING! Classic or Superserver? Firebird comes in two flavors, called architectures: Classic Server and Superserver. On Windows, only Superserver is available neither of the architectures is better in all respects. This is hardly surprising: we wouldn't maintain two architectures if one of them was an all-fronts loser. If you're still not sure what to choose (maybe Note On Windows 2000 and XP, the Guardian is a convenience rather than a necessity, since these two operating systems have the facility to watch and restart services. It is recommended that you keep

MINVALUE() MOD() NULLIF() OCTET_LENGTH() OVERLAY() PI() 8 Руководство по языку SQL POSITION() POWER() RAND() RDB$GET_CONTEXT() RDB$SET_CONTEXT() REPLACE() REVERSE() RIGHT() ROUND() RPAD() SIGN() SIN() CHAR_TO_UUID, COMMON, DATA, FIRSTNAME, GRANTED, LASTNAME, MAPPING, MIDDLENAME, OS_NAME, SOURCE, TWO_PHASE и UUID_TO_CHAR. • Более не зарезервированные, но ключевые слова: ACTIVE, AFTER, ASC, ASCENDING OVERLAY PAD PI PLACING POWER PRESERVE RAND REPLACE RESTART RETURNING REVERSE ROUND RPAD SCALAR_ARRAY SEQUENCE SIGN SIN SINH SKIP SOURCE SPACE SQRT SUBSTRING TAN TANH TEMPORARY TRUNC TWO_PHASE WEEK UPDATING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6.3. Automatic Two-phase Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -sh(utdown) shutdown -tw(o_phase) perform automated two-phase recovery -tra(nsaction) shutdown transaction startup -tru(sted) use trusted on up to the full -⁠validate variant. For almost all the options in the following sections, one or two of the above commandline options will be required. These are -⁠u[ser] and -⁠pa[ssword], or -⁠tru[sted]

........................................................................................... 418 POWER ................................................................................................. получается из выражений, указанных в списке полей оператора SELECT. Например: SELECT power(12, 2) AS twelve_squared, power(12, 3) AS twelve_cubed FROM rdb$database функции и переменные 419 POWER Доступно в: DSQL, PSQL. Синтаксис: POWER (x, y) Таблица 7.27. Параметры функции POWER Параметр Описание x Выражение

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412 8.2.20. POWER(). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . anderes Beispiel ist: Chapter 6. Data Manipulation-Statements (DML) 246 select power(12, 2) as twelve_squared, power(12, 3) as twelve_cubed from rdb$database Schließlich ein Beispiel, in dem Sie einige SQL-Anweisungen (PSQL) 358 STRING_VALUE = 'one'; ELSE IF (INT_VALUE = 2) THEN STRING_VALUE = 'two'; ELSE IF (INT_VALUE = 3) THEN STRING_VALUE = 'three'; ELSE STRING_VALUE = 'too much'; Dieses