D SQL ξπμΰς ξοεπΰςξπξβ E2 ρςπ. οξ D86 E ρςπξκ D Eτΰιλ D hsql E
Dοπεδελενθί E CREATE, DROP, DATABASE, ALTER, RENAME
Dΰνθοσλίφθθ E DELETE, INSERT, UPDATE, LOAD/UNLOAD
SELECT and UNION statements.
Dξρςσοΰ E GRANT/REVOKE, LOCK/UNLOCK, SET LOCK MODE
Dξρρςΰνξβλενθί E Transaction, Audit trail
Dπξχθε E CHECK, REPAIR, INFO, OUTPUT, SET EXPLAIN
D E
DDefinition CREATE, DROP, DATABASE, ALTER, RENAME E
D E οεπΰςξπϋ ξοπεδελενθί δΰννϋυ νε ξςκΰςϋβΰώςρί D E
D E
DCREATE DATABASE E database [WITH LOG IN "pathname" [MODE ANSI]]
DDROP DATABASE E database-name ρςΰνδΰπς ansi = ςπεασες
θμί βλΰδελόφΰ, ςπΰνηΰκφθί οξ σμξλχνθώ
DDATABASE E database-name [EXCLUSIVE] ρδελΰςό ςεκσωει
DCLOSE DATABASE E
DCREATE E [TEMP] DTABLE E 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)] - ΰβςξμΰςθχερκθι ρχεςχθκ
SMALLINT CHAR(n) DATE
FLOAT DECIMAL(m,n) DATETIME qualif1 TO qualif2
REAL MONEY(m,n) INTERVAL qualif1 TO qualif2
γδε qualifier ¨ {YEAR,MONTH,DAY,HOUR,MINUTE,SECOND,FRACTION(n)}
DALTER TABLE E 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 VIEW E view-name [(column-list)]
AS SELECT-statement [WITH CHECK OPTION]
DCREATE E [UNIQUE|DISTINCT] [CLUSTER] DINDEX E index-name
ON table-name (column-name [DESC], ...)
DALTER INDEX E index-name TO [NOT] CLUSTER Cςπξκθ β οξπίδκε θνδεκρΰ
CREATE SCHEMA AUTHORIZATION username {create and/or grant statements}
πθμεχΰνθε: οξδχεπκνσςϋε ξοεπΰςξπϋ νελόηί θροξλόηξβΰςό β 4GL
DCREATE SYNONYM E synonym-name FOR table-name
DDROP INDEX E index-name
DDROP SYNONYM E synonym-name
DDROP TABLE E table-name
DDROP VIEW E view-name
DRENAME TABLE E old-table-name TO new-table-name
DRENAME COLUMN E table.old-column-name TO new-column-name
D E
D Manipulation DELETE, INSERT, UPDATE, LOAD, UNLOAD E
D E
DDELETE FROM E table-name [WHERE condition]
DINSERT INTO E table-name [(column-list)]
{ VALUES (value-list) | SELECT-statement }
DUPDATE E table-name DSET E {column-name ={ expression | (SELECT-st) } [,...] |
{(col-list) | [table.]*} =
{ ({ expr-list | (SELECT-st) } [,...]) | record-name.* }
[WHERE condition]
DLOAD FROM E "file" [DELIMITER "?"] INSERT INTO table [(col-list)]
DUNLOAD TO E "file" [DELIMITER "?"] SELECT-statement D E
D Select The SELECT and UNION statements. E
D E
DSELECT E [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:
ρβίηΰννϋε λξγθχερκθμθ ξοεπΰςξπΰμθ OR, AND, NOT ρπΰβνενθί
expr rel-op expr γδε rel-op θη >,<,>=,<=,<>,!=
column-name IS [NOT] NULL
expr [NOT] BETWEEN ... AND ...
expr [NOT] IN (.. , .. [, ...] )
οξ σμξλχΰνθώ "\"
string [NOT] LIKE "ψΰαλξν" [ESCAPE "escape-char"]
ροεφρθμβξλϋ ψΰαλξνΰ D% E D_ E ξηνΰχΰώς ¦ §!
string [NOT] MATCHES "ψΰαλξν" [ESCAPE "esc-char"]
ροεφρθμβξλϋ ψΰαλξνΰ D* E D? E D[ EabH D] E D[^ Ed D- Ez D] E ξηνΰχΰώς ¦ §! ¨ ©
expr rel-op {ALL | [ANY | SOME]} (SELECT-statement)
expr [NOT] IN (SELECT-statement) !* αϋκνξβεννϋι *!
[NOT] EXISTS (SELECT-statement) !* SQLεβρκθι *!
D E
DAccess GRANT/REVOKE, LOCK/UNLOCK, SET LOCK MODE E
D E
{DBpriv {PUBLIC οπΰβξ δΰβΰςό οπΰβΰ
DGRANT E | TO | [WITH GRANT OPTION] [AS grantor]
TBpriv ON table} user-list} ξς χσζξγξ θμενθ
{DBpriv {PUBLIC
DREVOKE E | 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 MODE E TO [NOT] WAIT ζδΰςό /νε ζδΰςό ξρβξαξζδενθί
DLOCK TABLE E table-name IN {SHARE | EXCLUSIVE} MODE
DUNLOCK TABLE E table-name {ξζνξ ρμξςπεςό | θχεγξ νελόηί }
D E
DIntegrity Transaction, Audit trail E
D E
πξβξδθςό ςπΰνηΰκφθώ ρ νξβϋμ LOG τΰιλξμ
DSTART DATABASE E database WITH LOG IN "/pathname" [MODE ANSI]
DDATABASE E database-name [EXCLUSIVE]
DROLLFORWARD DATABASE E database-name ξρρςΰνξβθςό αΰησ
DCLOSE DATABASE E θη backup-κξοθθ
DBEGIN WORK E ΰχΰλξ ςπΰνηΰκφθθ νθμΰνθε, βρε θημενεννϋε
. . . ρςπξκθ λξκθπσώςρί!!
DCOMMIT WORK E Koνεφ ςπΰνηΰκφθθ
DROLLBACK WORK E ςκΰςθςό θημενενθί κ οπεδϋδσωεμσ COMMIT
DCREATE AUDIT E FOR table-name IN "pathname"
. . .
DRECOVER TABLE E table-name ξρρςΰνξβθςό ςΰαλθφσ
DDROP AUDIT E FOR table-name
D E
DAuxiliary CHECK, REPAIR, INFO, OUTPUT, SET EXPLAIN E
D E
CHECK TABLE table-name πξβεπθςό θνδεκρϋ
REPAIR TABLE table-name εμξνς θνδεκρξβ
πθμεχΰνθε: οξδχεπκνσςϋε ξοεπΰςξπϋ νελόηί θροξλόηξβΰςό β 4GL
INFO {TABLES | COLUMNS FOR table-name
| INDEXES FOR table-name | STATUS FOR table-name
| {ACCESS | PRIVILEGES} FOR table-name}
DUPDATE STATISTICS E [FOR TABLE table-name] ρθρςεμνξμ κΰςΰλξγε
DSET EXPLAIN E {ON | OFF} κλώχθςό ρθρςεμνϋε ξα`ίρνενθί
Last-modified: Thu, 12 Feb 1998 08:48:47 GMT