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MySQL

Eine kleine Dokumentation.
Gruss Joska
MySQL Syntax

SELECT [STRAIGHT_JOIN] [SQL_SMALL_RESUL T] [SQL_BIG_RESULT] [SQL_BUFFER_RESU LT]
[HIGH_PRIORITY]
[DISTINCT | DISTINCTROW | ALL]
select_expressi on,...
[INTO {OUTFILE | DUMPFILE} 'file_name' export_options]
[FROM table_reference s
[WHERE where_definitio n]
[GROUP BY {unsigned_integ er | col_name | formula} [ASC | DESC], ...]
[HAVING where_definitio n]
[ORDER BY {unsigned_integ er | col_name | formula} [ASC | DESC] ,...]
[LIMIT [offset,] rows]
[PROCEDURE procedure_name]
[FOR UPDATE | LOCK IN SHARE MODE]]

INSERT [LOW_PRIORITY | DELAYED] [IGNORE]
[INTO] tbl_name [(col_name,...)]
VALUES (expression,... ),(...),...
or INSERT [LOW_PRIORITY | DELAYED] [IGNORE]
[INTO] tbl_name [(col_name,...)]
SELECT ...
or INSERT [LOW_PRIORITY | DELAYED] [IGNORE]
[INTO] tbl_name
SET col_name=expres sion, col_name=expres sion, ...

UPDATE [LOW_PRIORITY] [IGNORE] tbl_name
SET col_name1=expr1 , [col_name2=expr2 , ...]
[WHERE where_definitio n]
[LIMIT #]

DELETE [LOW_PRIORITY | QUICK] FROM table_name
[WHERE where_definitio n]
[ORDER BY ...]
[LIMIT rows]
or
DELETE [LOW_PRIORITY | QUICK] table_name[.*] [table_name[.*] ...] FROM
table-references [WHERE where_definitio n]

REPLACE [LOW_PRIORITY | DELAYED]
[INTO] tbl_name [(col_name,...)]
VALUES (expression,... ),(...),...
or REPLACE [LOW_PRIORITY | DELAYED]
[INTO] tbl_name [(col_name,...)]
SELECT ...
or REPLACE [LOW_PRIORITY | DELAYED]
[INTO] tbl_name
SET col_name=expres sion, col_name=expres sion,...

LOAD DATA [LOW_PRIORITY | CONCURRENT] [LOCAL] INFILE 'file_name.txt'
[REPLACE | IGNORE]
INTO TABLE tbl_name
[FIELDS
[TERMINATED BY '\t']
[[OPTIONALLY] ENCLOSED BY '']
[ESCAPED BY '\\' ]
]
[LINES TERMINATED BY '\n']
[IGNORE number LINES]
[(col_name,...)]

CREATE DATABASE [IF NOT EXISTS] db_name

DROP DATABASE [IF EXISTS] db_name

BACKUP TABLE tbl_name[,tbl_name...] TO '/path/to/backup/directory'

RESTORE TABLE tbl_name[,tbl_name...] FROM '/path/to/backup/directory'

CHECK TABLE tbl_name[,tbl_name...] [option [option...]]
option = QUICK | FAST | MEDIUM | EXTENDED | CHANGED

REPAIR TABLE tbl_name[,tbl_name...] [QUICK] [EXTENDED]

###. Here is the most common errors that indicates a problem with the table:
shell> perror 126 127 132 134 135 136 141 144 145
126 = Index file is crashed / Wrong file format
127 = Record-file is crashed
132 = Old database file
134 = Record was already deleted (or record file crashed)
135 = No more room in record file
136 = No more room in index file
141 = Duplicate unique key or constraint on write or update
144 = Table is crashed and last repair failed
145 = Table was marked as crashed and should be repaired

Jul 18 '05 #1
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