是否可以使用一个insert语句在表中插入多行?我知道如果我这样做会发生:
insert into table ( fields ) select values from another_table
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但是如果我想插入怎么办:
row 1 - ( a1, b1, c1 )
row 2 - ( a2, b2, c2 )
...
row n - ( an, bn, cn )
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只有一个插入命令?
两种解决方案(来源:http://appsfr.free.fr/spip.php?article21):
INSERT ALL
INTO table (column1, column2)
VALUES (value1, value2)
INTO table (column1, column2)
VALUES (value1, value2)
...etc...
SELECT * FROM DUAL ;
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要么
INSERT INTO table (column1, column2)
SELECT value1, value2 FROM DUAL UNION ALL
SELECT value1, value2 FROM DUAL UNION ALL
...etc...
SELECT value1, value2 FROM DUAL ;
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INSERT ALL
INTO mytable (column1, column2, column3) VALUES ('val1.1', 'val1.2', 'val1.3')
INTO mytable (column1, column2, column3) VALUES ('val2.1', 'val2.2', 'val2.3')
INTO mytable (column1, column2, column3) VALUES ('val3.1', 'val3.2', 'val3.3')
SELECT * FROM dual;
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