SQL joint query + fuzzy query

Source: Internet
Author: User

Kindles blog

Program code
#####################################
# Joint Query
#####################################

Select table. * from table
Left join table on
Table. id in (Select id FROM table where id = 3)

 


Program code
#####################################
# Multi-field search 1
#####################################

Select * FROM table Where id> 0
AND (
CONCAT_WS (, field1, field2, field3, field4, field5)
LIKE % key1 %
Or
CONCAT_WS (, field1, field2, field3, field4, field5)
LIKE % key2 %
)
OrDER BY field ASC

 

Program code
#####################################
# Multi-field search 2
#####################################

Select * FROM table Where
CONCAT_WS (, field1, field2, field3, field4, field5) LIKE % key1 %
Or
CONCAT_WS (, field1, field2, field3, field4, field5) LIKE % key2 %
OrDER BY field ASC

 

Program code
#####################################
# Multi-field search 3
#####################################

Select * FROM table Where field = CONDITION
AND CONCAT_WS (field1, field2, field3, field4, field5) LIKE % key %
OrDER BY field ASC

 

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