oracle插入/批量插入

1.注意values()后无符号 

INSERT ALL 
INTO A(field_1,field_2) VALUES (value_1,value_2) 
INTO A(field_1,field_2) VALUES (value_3,value_4) 
INTO A(field_1,field_2) VALUES (value_5,value_6)
SELECT 1 FROM DUAL;