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Searching BETWEEN dates stored as varchar in MySQL?
You can search between dates stored as varchar using STR_TO_DATE(). The syntax is as follows −
select *from yourTableName where STR_TO_DATE(LEFT(yourColumnName,LOCATE('',yourColumnName)),'%m/%d/%Y') BETWEEN 'yourDateValue1' AND 'yourDateValue2’;To understand the above syntax, let us create a table. The query to create a table is as follows −
mysql> create table SearchDateAsVarchar -> ( -> Id int NOT NULL AUTO_INCREMENT, -> ShippingDate varchar(100), -> PRIMARY KEY(Id) -> ); Query OK, 0 rows affected (0.99 sec)
Insert some records in the table using INSERT command. The query is as follows −
mysql> insert into SearchDateAsVarchar(ShippingDate) values('6/28/2011 9:58 AM');
Query OK, 1 row affected (0.19 sec)
mysql> insert into SearchDateAsVarchar(ShippingDate) values('6/18/2011 10:50:39 AM');
Query OK, 1 row affected (0.55 sec)
mysql> insert into SearchDateAsVarchar(ShippingDate) values('6/22/2011 11:45:40 AM');
Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement. The query is as follows −
mysql> select *from SearchDateAsVarchar;
The following is the output −
+----+-----------------------+ | Id | ShippingDate | +----+-----------------------+ | 1 | 6/28/2011 9:58 AM | | 2 | 6/18/2011 10:50:39 AM | | 3 | 6/22/2011 11:45:40 AM | +----+-----------------------+ 3 rows in set (0.00 sec)
Here is the query to search between dates stored as varchar −
mysql> select *from SearchDateAsVarchar where
STR_TO_DATE(LEFT(ShippingDate,LOCATE(' ',ShippingDate)),'%m/%d/%Y') BETWEEN
'2011-06-20' AND '2011-06-28';The following is the output −
+----+-----------------------+ | Id | ShippingDate | +----+-----------------------+ | 1 | 6/28/2011 9:58 AM | | 3 | 6/22/2011 11:45:40 AM | +----+-----------------------+ 2 rows in set (0.00 sec)
Updated on: 30-Jul-2019
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