соединения ..................................................... 265 Перекрёстное соединение (CROSS JOIN) ......................................................... 265 Неоднозначные имена полей в соединениях ........................................................................................... 314 MERGE ................................................................................................. ограничении CHECK, предложении WHERE, выражении CASE, условии соединения во фразе ON для предложений JOIN, а также в предложении HAVING. В PSQL операторы управления потоком выполнения проверяют предикаты

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333 6.6. MERGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336 6.6.2. Examples of MERGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . constraints, WHERE and HAVING clauses, CASE expressions, the IIF() function and in the ON condition of JOIN clauses, and anywhere a normal expression can occur. 4.2.1. Conditions A condition — or Boolean

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 6.6. MERGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . constraints, WHERE and HAVING clauses, CASE expressions, the IIF() function and in the ON condition of JOIN clauses. Chapter 4. Common Language Elements 61 4.2.1. Assertions An assertion is a statement possible at all times, although it is not recommended to run gbak while the database is in LOCKED or MERGE state. Examples of ALTER DATABASE Usage 1. Adding a secondary file to the database. As soon as

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 6.6. MERGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 6.6.2. Beispiele für MERGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . auftreten, WHERE- und HAVING-Klauseln, CASE -Ausdrücken, der IIF()-Funktion und in der ON-Bedingung der JOIN-Klausel. 4.2.1. Bedingungen Eine Behauptung ist ein Statement über Daten, die, wie ein Prädikat

DEFAULT VALUES Предложение RETURNING Разрешено использовать UNION в операторе SELECT при вставке MERGE SELECT Агрегатные функции: Расширенный функционал Использование COLLATE для столбцов с текстовым Производные таблицы (“SELECT FROM SELECT”) FIRST и SKIP GROUP BY HAVING: Более строгие правила JOIN 4 Руководство по языку SQL ORDER BY PLAN Использование алиаса делает недоступным использование получения типа таблицы можно использовать следующий запрос: SELECT T.RDB$TYPE_NAME FROM RDB$RELATIONS R JOIN RDB$TYPES T ON R.RDB$RELATION_TYPE = T.RDB$TYPE WHERE T.RDB$FIELD_NAME = 'RDB$RELATION_TYPE' AND R

earlier: SELECT RDB$RELATIONS.RDB$RELATION_NAME, R2.RDB$RELATION_NAME FROM RDB$RELATIONS JOIN RDB$RELATIONS R2 ON Known Compatibility Issues 6 (R2.RDB$RELATION_NAME = RDB$RELATIONS.RDB$RELATION_NAME) it in Firebird 2.0: SELECT (SELECT FIRST 1 RDB$RELATION_NAME FROM RDB$RELATIONS R1 JOIN RDB$RELATIONS R2 ON (R2.RDB$RELATION_NAME = R1.RDB$RELATION_NAME)) FROM RDB$DATABASE read the relevant chapter in each release notes volume and, if necessary, use a difference tool to merge existing settings into the new firebird.conf. - the firebird.log file is generated automatically

-i(nput) input file (set input) -m(erge) merge standard error -m2 merge diagnostic -n(oautocommit) no autocommit DDL (set autoddl differing results in different versions of Firebird. • In Firebird 1.0, SQL statements with ambiguous join specifications. More recent Firebird versions will raise an exception rather than a warning. Chapter

database backup. This option can be shortened as required, provided that at least -s is specified. -join_bk_file Specifies that gsplit is to be used to rejoin a number of files and use the above help text. The correct command line option to join multiple sections of a large backup file is not -JOINT_BK_FILE as shown, but is in fact -JOIN_BK_FILE. Chapter 2. Gsplit Command line Options 3 Megabyte as 1024 Kilobytes and a Gigabyte as 1024 Megabytes. -J[OIN_BK_FILE] [… ] To join files together and use them to restore a database, you simply specify the filenames in the correct

dsql_cte_cycle CTE '@1' has cyclic dependencies -104 336397227 dsql_cte_outer_join Recursive member of CTE can't be member of an outer join -104 336397228 dsql_cte_mult_references Recursive member of CTE can't Table @1 is referenced more than once in plan; use aliases to distinguish -282 335544643 dsql_self_join The table @1 is referenced twice; use aliases to differentiate -282 335544659 duplicate_base_table sequence -901 336331016 gbak_join_file_missing Can't join-- one of the files missing -901 336331017 gbak_stdin_not_supptd standard input is not supported when using join operation -901 336331018 gb