Mysql query to check the date contains19/

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To display the date column containing "19/"

Query

SELECT username,DATE_FORMAT(dialdate,GET_FORMAT(DATE,'EUR')) as new,DATE_FORMAT(dialtime,'%r') as dialtime,price FROM processeddata_table WHERE DialDate between '2008/07/04' and '2013/07/26' and dialdate like '%19/% 00:00:00'

Posted 25-Jul-13 20:00pm

Roopa 10064853

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Chui PuiKwan · Answer 1 · 2013-07-25T20:15:00

Solution 1

ur,what is your problem ?

SQL

SELECT username,DATE_FORMAT(dialdate,GET_FORMAT(DATE,'EUR')) as new,DATE_FORMAT(dialtime,'%r') as dialtime,price FROM processeddata_table WHERE DialDate between '2008/07/04' and '2013/07/26' and dialdate like '%19%'

Posted 25-Jul-13 20:15pm

Chui PuiKwan

Comments

Roopa 10064853 26-Jul-13 2:21am

I want to display dialdate containing 19/

Chui PuiKwan 26-Jul-13 2:24am

1.like '%19/%'
2.
INSTR(dialdate,'19/')>0

Roopa 10064853 26-Jul-13 2:41am

thank u but not getting any output

Chui PuiKwan 26-Jul-13 2:48am

If you could give me a demo data, I can help you to debug it .

Roopa 10064853 26-Jul-13 2:52am

2013-12-12

Chui PuiKwan 26-Jul-13 3:03am

mysql> select
INSTR('2013-12-12','19/');
+---------------------------+
| INSTR('2013-12-12','19/') |
+---------------------------+
| 0 |
+---------------------------+
1 row in set
mysql> select INSTR('2013/19/12
','19/');
+---------------------------+
| INSTR('2013/19/12','19/') |
+---------------------------+
| 6 |
+---------------------------+
1 row in set

Roopa 10064853 26-Jul-13 3:06am

I want to check whether date contains 19/ not 19

Chui PuiKwan 26-Jul-13 3:11am

mysql> select INSTR('2013/19/12','19/') >0;
+------------------------------+
| INSTR('2013/19/12','19/') >0 |
+------------------------------+
| 1 |
+------------------------------+
1 row in set

mysql> select INSTR('2013-12-12','19/');>0
+---------------------------+
| INSTR('2013-12-12','19/') |
+---------------------------+
| 0 |
+---------------------------+
1 row in set

That INSTR(date,'19/')>0 indicate that the date contains 19/

Roopa 10064853 26-Jul-13 3:31am

instr will return the index of the substring but i want that string to be displayed not index

Roopa 10064853 26-Jul-13 3:43am

See i have many dates i want to search for the date containing 19/

Maciej Los · Answer 2 · 2013-07-25T20:17:00

Solution 2

Simply ;)
Use LEFT[^] function.

SQL

SELECT ...
FROM ....
WHERE ... LEFT(dialdate,2) = '19'

More about String functions[^]

Note: Is this statement true: (year>=2008 And year <=2013) AND (year>=1900 AND year<=1999)?

Posted 25-Jul-13 20:17pm

Maciej Los

Updated 28-Jul-13 21:17pm

v2