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query:
select | select | select | select | select |
dml | dml | dml | dml | dml |
transaction |
select | select | select | select | select |
dml | dml | dml | dml | dml |
transaction |
select | select | select | select | select |
dml | dml | dml | dml | dml |
transaction |
alter
;
dml:
update | insert | delete ;
select:
SELECT * FROM _table where order_by limit;
where:
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WHERE _field sign value |
WHERE _field BETWEEN value AND value ;
# WHERE _field IN ( value , value , value , value , value , value ) ;
sign:
> | < | = | >= | <> | <= | != ;
order_by:
ORDER BY _field , `pk` ;
limit:
LIMIT _digit | LIMIT _tinyint_unsigned | LIMIT 65535 ;
insert:
INSERT INTO _table ( _field , _field ) VALUES ( value , value ) ;
update:
UPDATE _table AS X SET _field = value where order_by limit;
delete:
DELETE FROM _table where order_by LIMIT digit ;
transaction: START TRANSACTION | COMMIT | ROLLBACK ;
alter:
ALTER ONLINE TABLE _table DROP KEY letter |
ALTER ONLINE TABLE _table DROP KEY _field |
ALTER ONLINE TABLE _table ADD KEY letter ( _field ) |
ALTER ONLINE TABLE _table ADD KEY letter ( _field ) ;
value:
_english | _digit | _date | _datetime | _time ;
# Use only indexed fields:
_field:
`int_key` | `date_key` | `datetime_key` | `varchar_key` ;
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