D?? SQL Формат операторов  ??  E2 стр. по D86E строкD  ?? EфайлD  hsql  ??E
??DОпределенияE    CREATE, DROP, DATABASE, ALTER, RENAME         ??
??DМанипуляцииE    DELETE, INSERT, UPDATE, LOAD/UNLOAD           ??
??               SELECT and UNION statements.                  ??
??DДоступаE        GRANT/REVOKE, LOCK/UNLOCK, SET LOCK MODE      ??
??DВосстановленияE Transaction, Audit trail                      ??
??DПрочиеE         CHECK, REPAIR, INFO, OUTPUT, SET EXPLAIN      ??
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D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??Definition     CREATE, DROP, DATABASE, ALTER, RENAME       ??E
D??E  Операторы определения данных не откатываются             D??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
DCREATE DATABASEE database [WITH LOG IN "pathname" [MODE ANSI]]

DDROP DATABASEE database-name       стандарт  ansi = требует
                        имя владельца, транзакция по умолчнию

DDATABASEE database-name [EXCLUSIVE]      сделать текущей
DCLOSE DATABASEE

DCREATEE [TEMP] DTABLEE table-name ( column-name datatype [NOT NULL]
                         [UNIQUE [CONSTRAINT constr-name]][,...] )
        [UNIQUE(uniq-col-list) [CONSTRAINT constr-name]][,..]
        [WITH NO LOG]
        [IN "pathname-directory"]

                DATA TYPES
    INTEGER     SERIAL[(n0)] - автоматический счетчик
    SMALLINT    CHAR(n)        DATE
    FLOAT       DECIMAL(m,n)   DATETIME qualif1 TO qualif2
    REAL        MONEY(m,n)     INTERVAL qualif1 TO qualif2
где qualifier Ё {YEAR,MONTH,DAY,HOUR,MINUTE,SECOND,FRACTION(n)}

DALTER TABLEE table-name
     {  ADD ( new-column-name datatype [NOT NULL]
                [UNIQUE [CONSTRAINT constr-name]][,...] )
        |           [BEFORE old-column-name]
        DROP (old-column-name[,...])
        |
        MODIFY (old-column-name new-datatype [NOT NULL][,...])
        |
        ADD CONSTRAINT UNIQUE (old-column-name[,...])
        |                          [CONSTRAINT constr-name]
        DROP CONSTRAINT (constr-name[,...])      } [,...]

DCREATE VIEWE view-name [(column-list)]
        AS SELECT-statement [WITH CHECK OPTION]

DCREATEE [UNIQUE|DISTINCT] [CLUSTER] DINDEXE index-name
        ON table-name (column-name [DESC], ...)

DALTER INDEXE index-name TO [NOT] CLUSTER  Cтроки в порядке индекса

CREATE SCHEMA AUTHORIZATION username {create and/or grant statements}
   Примечание:  подчеркнутые операторы нельзя использовать в 4GL  
DCREATE SYNONYME synonym-name FOR table-name

DDROP INDEXE index-name
DDROP SYNONYME synonym-name
DDROP TABLEE table-name
DDROP VIEWE view-name

DRENAME TABLEE old-table-name TO new-table-name
DRENAME COLUMNE table.old-column-name TO new-column-name

D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??  Manipulation  DELETE, INSERT, UPDATE, LOAD, UNLOAD       ??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
DDELETE FROME table-name [WHERE condition]

DINSERT INTOE table-name [(column-list)]
      { VALUES (value-list) |  SELECT-statement }

DUPDATEE table-name DSETE {column-name ={ expression | (SELECT-st) } [,...]   |
 {(col-list) | [table.]*} =
 { ({ expr-list | (SELECT-st) } [,...]) | record-name.* }
     [WHERE  condition]

DLOAD FROME "file" [DELIMITER "?"] INSERT INTO table [(col-list)]
DUNLOAD TOE "file" [DELIMITER "?"] SELECT-statementD???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??    Select        The SELECT and UNION statements.         ??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
DSELECTE [UNIQUE] select-list
        [FROM { [OUTER] tabname [tab-alias] |
           OUTER (table-expr) } [,...]  ]
        [WHERE condition]
        [GROUP BY column-list] [HAVING condition]
        [ORDER BY column-name [DESC],...]
        [INTO TEMP table-name]

SELECT-statement UNION [ALL] SELECT-statement  [. . .]

     WHERE conditions:

  связанные логическими операторами OR, AND, NOT сравнения

        expr rel-op expr        где rel-op из  >,<,>=,<=,<>,!=
        column-name IS [NOT] NULL
        expr [NOT] BETWEEN ... AND ...
        expr [NOT] IN (.. , ..  [, ...] )

                                   по умолчанию "\"
        string [NOT] LIKE "шаблон" [ESCAPE "escape-char"]
         спецсимволы шаблона  D%E D_E  означают │ !
        string [NOT] MATCHES "шаблон" [ESCAPE "esc-char"]
         спецсимволы шаблона  D*E D?E D[EabHD]E D[^EdD-EzD]E  означают │ ! Ё ©

        expr rel-op {ALL | [ANY | SOME]} (SELECT-statement)
        expr [NOT] IN (SELECT-statement) !* Обыкновенный *!
        [NOT] EXISTS  (SELECT-statement) !*  SQLевский   *!

D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??Access         GRANT/REVOKE, LOCK/UNLOCK,  SET LOCK MODE  ??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
       {DBpriv         {PUBLIC  право давать права
DGRANTE   |            TO |       [WITH GRANT OPTION] [AS grantor]
     TBpriv ON table}   user-list}                 от чужого  имени

        {DBpriv            {PUBLIC
DREVOKEE   |             FROM |
      TBpriv ON table}     user-list}
                                             TABLE PRIVILEGES:
    DATABASE PRIVILEGES:                  ALTER           DELETE
                                          INDEX           INSERT
        CONNECT                               SELECT[(cols)]
        RESOURCE                              UPDATE [(cols)]
        DBA                                   ALL [PRIVILEGES]

DSET LOCK MODEE TO [NOT] WAIT     ждать /не ждать освобождения
DLOCK TABLEE table-name IN   {SHARE | EXCLUSIVE} MODE
DUNLOCK TABLEE table-name  {Можно смотреть | Ничего нельзя }

D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??Integrity      Transaction, Audit trail                    ??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
        Проводить транзакцию с новым LOG файлом
DSTART  DATABASEE database  WITH LOG IN "/pathname" [MODE ANSI]

DDATABASEE database-name [EXCLUSIVE]
DROLLFORWARD DATABASEE database-name      Восстановить базу
DCLOSE DATABASEE                           из backup-копии

DBEGIN WORKE      Начало транзакции       Внимание, все измененные
 . . .                                     строки локируются!!
DCOMMIT WORKE     Koнец транзакции
DROLLBACK WORKE   Откатить изменения к предыдущему COMMIT

DCREATE AUDITE FOR table-name IN "pathname"
   . . .
DRECOVER TABLEE table-name                Восстановить таблицу
DDROP   AUDITE FOR table-name

D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
D??Auxiliary      CHECK, REPAIR, INFO, OUTPUT, SET EXPLAIN??E
D???'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'?'E
CHECK  TABLE table-name                 Проверить индексы
REPAIR TABLE table-name                 Ремонт индексов
   Примечание:  подчеркнутые операторы нельзя использовать в 4GL  
INFO {TABLES | COLUMNS FOR table-name
        | INDEXES FOR table-name | STATUS FOR table-name
        | {ACCESS | PRIVILEGES} FOR table-name}

DUPDATE STATISTICSE [FOR TABLE table-name]     системном каталоге

DSET EXPLAINE {ON | OFF}          Включить системные об`яснения

Популярность: 4, Last-modified: Thu, 12 Feb 1998 08:48:26 GMT