Suppose my table is TEST_123 Which has the following records:
id | cid | result
------------------
1 | C-1 | TAM
2 | C-1 | TAM
3 | C-2 | RAM
4 | C-2 | TAM
5 | C-3 | SAM
6 | C-3 | SAM
Now I want such cid's which has only one type of result, so the answer should be C-1 AND C-3 but not C-2 since it has two different type of results. Need Oracle query for this?
You simple need to understand GROUP BY and HAVING clause.
The answer is as simple as
select cid
from TEST_123
group by cid
having count(distinct result) = 1
Note group by selects the distinct keys from CID; the having filters on condition valid for all the records in the group, in your case count(distinct result) = 1
Use exists, its a little bit tricky cause every group result should be same
select t1.* from TEST_123 t1 where exists(
select 1 from TEST_123 t2 where t2.cid=t1.cid
and t2.result=t1.result
group by t2.cid,t2.result
having count(*)=
(select count(*) from TEST_123 t3
where t3.cid=t2.cid)
)
Exmple
with TEST_123 as
(
select 1 as id , 'c-1' as cid , 'tam' as result from dual
union all
select 2 as id , 'c-1' as cid , 'tam' as result from dual
union all
select 3 as id , 'c-2' as cid , 'tam' as result from dual
union all
select 4 as id , 'c-2' as cid , 'ram' as result from dual
)
select distinct t1.cid from TEST_123 t1 where exists(
select 1 from TEST_123 t2 where t2.cid=t1.cid
and t2.result=t1.result
group by t2.cid,t2.result
having count(*)=
(select count(*) from TEST_123 t3
where t3.cid=t2.cid)
)
demo
Based on #zaynul's answer, here is another variation:
with TEST_123 as
(
select 1 as id , 'c-1' as cid , 'tam' as result from dual
union all
select 2 as id , 'c-1' as cid , 'tam' as result from dual
union all
select 3 as id , 'c-2' as cid , 'tam' as result from dual
union all
select 4 as id , 'c-2' as cid , 'ram' as result from dual
)
select * from test_123 where cid in (
select cid from test_123 group by cid having count(distinct result) = 1);
select t.cid from
(select cid, count(*) as count from table_1 group by cid, result) t
group by t.cid
having count(*)=1;
Should work for you
I would use NOT EXISTS :
SELECT t.*
FROM table t
WHERE NOT EXISTS (SELECT 1 FROM table t1 WHERE t1.cid = t.cid AND t1.result <> t.result);
Related
I have two Table, that both of them have 2 field (provinceid,cityid)
i want to find provinceid that have exactly the same cityid in this two table.
for example i have this tables:
table1:
provinceid
cityid
1
1
1
2
2
3
2
4
3
6
table2:
provinceid
cityid
1
1
1
5
2
3
2
4
3
6
3
7
i want a query that just return provinceid =2 and city id =3 and 4.
i try this query and it is right. but i want a better query:
select provinceid ,t1.cityid
from t1
left join t2 on t1=provinceid=t2.provinceid and t1.cityid=t2.cityid
where t2.provinceid is not null and t2.cityid is not null
and t1.provinceid not in (select provinceid
from t2
left join t1 on t1=provinceid=t2.provinceid and t1.cityid=t2.cityid
where t1.provinceid is not null and t1.cityid is not null)
thank you
Try this :
select t1.provinceid ,t1.cityid
from table1 t1 join table2 t2
on t1.provinceid=t2.provinceid
and t1.cityid=t2.cityid
and t1.provinceid in (
select distinct(t1.provinceid)
from
(select provinceid, count(provinceid) as cnt from table1 group by provinceid) as t1
cross join
(select provinceid ,count(provinceid) as cnt from table2 group by provinceid) as t2
where t1.cnt = t2.cnt);
Output:
provinceid
cityid
1
1
2
3
2
4
The simplest method for an exact match is to use string aggregation. The exact syntax varies by database, but in Standard SQL this looks like:
select t1.provinceid, t2.provinceid
from (select provinceid,
listagg(cityid, ',') within group (order by cityid) as cities
from t1
group by provinceid
) t1 join
(select provinceid,
listagg(cityid, ',') within group (order by cityid) as cities
from t2
group by provinceid
) t2
on t1.cities = t2.cities;
If you want the provinceids to be the same as well, just add t1.provinceid = t2.provinceid to the on clause.
Or, if you want the provinceids to be the same, you can use full join instead:
select provinceid
from t1 full join
t2
using (provinceid, cityid)
group by provinceid
having count(*) = count(t1.cityid) and count(*) = count(t2.cityid);
Besides match in provid and cityid, we are looking for exactly matching sets of records as well. There might be many different methods to this. I prefer to have string comparison for list of cities for each provide with addition to provide and cityid match clause to remove other sets of provide and cityid which are available in tables but not the exact row match.
WITH table1 AS(
SELECT 1 AS PROVID, 1 AS CITYID FROM DUAL UNION ALL
SELECT 1 AS PROVID, 2 AS CITYID FROM DUAL UNION ALL
SELECT 2 AS PROVID, 3 AS CITYID FROM DUAL UNION ALL
SELECT 2 AS PROVID, 4 AS CITYID FROM DUAL UNION ALL
SELECT 3 AS PROVID, 6 AS CITYID FROM DUAL
),
table2 AS (
SELECT 1 AS PROVID, 1 AS CITYID FROM DUAL UNION ALL
SELECT 1 AS PROVID, 5 AS CITYID FROM DUAL UNION ALL
SELECT 2 AS PROVID, 3 AS CITYID FROM DUAL UNION ALL
SELECT 2 AS PROVID, 4 AS CITYID FROM DUAL UNION ALL
SELECT 3 AS PROVID, 6 AS CITYID FROM DUAL UNION ALL
SELECT 3 AS PROVID, 7 AS CITYID FROM DUAL
),
listed_table1 AS (
SELECT
a.provid,
listagg(cityid,',') within GROUP (ORDER BY cityid) list_city
FROM table1 a
GROUP BY a.provid
),
listed_table2 AS (
SELECT
a.provid,
listagg(cityid,',') within GROUP (ORDER BY cityid) list_city
FROM table2 a
GROUP BY a.provid
)
SELECT
t1.provid, t1.cityid
FROM
(SELECT x.*, x1.list_city FROM table1 x, listed_table1 x1 WHERE x.provid = x1.provid) t1,
(SELECT y.*, y1.list_city FROM table2 y, listed_table2 y1 WHERE y.provid = y1.provid) t2
WHERE t1.provid = t2.provid AND t1.cityid = t2.cityid AND t1.list_city = t2.list_city
;
You can use (union ..)except (inner join..) to detect non-matches. Step by step
with u12 as (
select PROVID, CITYID from table1
union
select PROVID, CITYID from table2
),
c12 as (
select t1.PROVID, t2.CITYID
from table1 t1
join table2 t2 on t1.PROVID=t2.PROVID and t1.CITYID=t2.CITYID
),
nonMatch as (
select distinct PROVID
from (
select PROVID, CITYID from u12
except
select PROVID, CITYID from c12
) t
)
select *
from table1 t
where not exists (
select 1
from nonMatch n
where n.PROVID = t.PROVID);
If a number of doubles counts then count them first
with t1 as (
select PROVID, CITYID, count(*) n
from table1
group by PROVID, CITYID
),
t2 as (
select PROVID, CITYID, count(*) n
from table2
group by PROVID, CITYID
),
u12 as (
select PROVID, CITYID, n from t1
union
select PROVID, CITYID, n from t2
),
c12 as (
select t1.PROVID, t1.CITYID, t1.n
from t1
join t2 on t1.PROVID = t2.PROVID and t1.CITYID = t2.CITYID and t1.n = t2.n
),
nonMatch as (
select distinct PROVID
from (
select PROVID, CITYID, n from u12
except
select PROVID, CITYID, n from c12
) t
)
select *
from table1 t
where not exists (
select 1
from nonMatch n
where n.PROVID = t.PROVID)
db<>fiddle
ID | Type | total
1 Purchase 12
1 Return 2
1 Exchange 5
2 Purchase null
2 Return 5
2 Exchange 1
3 Purchase 34
3 Return 4
3 Exchange 2
4 Purchase 12
4 Exchange 2
Above is sample data. What I want to return is:
ID | Type | total
1 Purchase 12
1 Return 2
1 Exchange 5
3 Purchase 34
3 Return 4
3 Exchange 2
So if a field is null in total or the values of Purchase, Return and Exchange are not all present for that ID, ignore that ID completely. How can I go about doing this?
You can use exists. I think you intend:
select t.*
from t
where exists (select 1
from t t2
where t2.id = t.id and t2.type = 'Purchase' and t2.total is not null
) and
exists (select 1
from t t2
where t2.id = t.id and t2.type = 'Exchange' and t2.total is not null
) and
exists (select 1
from t t2
where t2.id = t.id and t2.type = 'Return' and t2.total is not null
);
There are ways to "simplify" this:
select t.*
from t
where 3 = (select count(distinct t2.type)
from t t2
where t2.id = t.id and
t2.type in ('Purchase', 'Exchange', 'Return') and
t2.total is not null
);
I would write this as a join, without subqueries:
SELECT pur.id, pur.total AS Purchase, exc.total AS Exchange, ret.total AS Return
FROM MyTable as pur
INNER JOIN MyTable AS exc ON exc.id=pur.id AND exc.type='Exchange'
INNER JOIN MyTable AS ret ON ret.id=pur.id AND ret.type='Return'
WHERE pur.type='Purchase'
The inner join means that if any of the three rows with different values are not found for a given id, then no row is included in the result.
Analytic functions are a good way to solve this kind of problems. The base table is read just once, and no joins (explicit or implicit, as in EXISTS conditions or correlated subqueries) are needed.
In the solution below, we count distinct values of 'Purchase', 'Exchange' and 'Return' for each id while ignoring other values (assuming that is indeed the requirement), and separately count total nulls in the total column for each id. Then it becomes a trivial matter to select just the "desired" rows in an outer query.
with
test_data ( id, type, total ) as (
select 1, 'Purchase', 12 from dual union all
select 1, 'Return' , 2 from dual union all
select 1, 'Exchange', 5 from dual union all
select 2, 'Purchase', null from dual union all
select 2, 'Return' , 5 from dual union all
select 2, 'Exchange', 1 from dual union all
select 3, 'Purchase', 34 from dual union all
select 3, 'Return' , 4 from dual union all
select 3, 'Exchange', 2 from dual union all
select 4, 'Purchase', 12 from dual union all
select 4, 'Exchange', 2 from dual
)
-- end of test data; actual solution (SQL query) begins below this line
select id, type, total
from ( select id, type, total,
count( distinct case when type in ('Purchase', 'Return', 'Exchange')
then type end
) over (partition by id) as ct_type,
count( case when total is null then 1 end
) over (partition by id) as ct_total
from test_data
)
where ct_type = 3 and ct_total = 0
;
Output:
ID TYPE TOTAL
-- -------- -----
1 Exchange 5
1 Purchase 12
1 Return 2
3 Exchange 2
3 Purchase 34
3 Return 4
This also should work fine even if new values are added to type column
select * from t where
ID not in(select ID from t where
t.total is null or t.[Type] is null)
I have table with two columns like this:
ROLE_ID RESTRICTION_ID
--------- ---------------
2 null
2 15
2 null
13 12
13 null
13 13
555 null
555 null
555 null
91 10
91 12
91 null
I need to get:
ROLE_ID RESTRICTION_ID
--------- ---------------
555 null
555 null
555 null
Meaning , that i need all ROLE_ID's which are not connected to any RESTRICTION_ID.
If there is some number in the RESTRICTION_ID column for some ROLE_ID is want the ROLE_ID excluded from the select statement results.
SELECT t1.*
FROM
table t1
LEFT JOIN table t2
ON t1.ROLE_ID = t2.ROLE_ID
AND t2.RESTRICTION_ID IS NOT NULL
WHERE
t2.ROLE_ID IS NULL
Just because everyone else is showing the WHERE IN (SELECT ... answer here is a way to do it via a self join....
And just to show one way it can be done using EXISTS...
SELECT t1.*
FROM
table t1
WHERE
NOT EXISTS (SELECT *
FROM
table t2
WHERE
t1.ROLE_ID = t2.ROLE_ID
AND t2.RESTRICTION_ID IS NOT NULL)
Select the rows where resctriction_id is null
select * from my_table
where resctiction_id is null
and role_id not in (select role_id from my_table where resctiction_id is not null) ;
The following should get you started:
SELECT
role_id
, restriction_id
FROM Data
WHERE role_id NOT IN
(SELECT
role_id
FROM Data
GROUP BY role_id
HAVING COUNT(restriction_id) > 0
);
Please comment if and as this requires adjustment / further detail.
Select role_id, restriction_id
From Table
Where role_id in (Select ROLE_ID
From Table
Group by ROLE_ID
Having COUNT(RESTRICTION_ID)=0)
Better maybe...
SELECT ROLE_ID, RESTRICTION_ID
FROM <Your Table>
WHERE RESTRICTION_ID IS NULL
AND ROLE_ID NOT IN
(SELECT ROLE_ID FROM <Your Table> WHERE RESTRICTION_ID IS NOT NULL) sub
and becuase you have tagged SQL here is a Window function with common table expression that does the job nicely as well.
WITH cte AS (
SELECT
*
,COUNT(RESTRICTION_ID) OVER (PARTITION BY ROLE_ID) as CountOfRestrictionsIds
FROM
TableName
)
SELECT *
FROM
cte
WHERE
CountOfRestrictionsIds = 0
SELECT ROLE_ID, RESTRICTION_ID
FROM Table
WHERE
ROLE_ID NOT IN (SELECT ROLE_ID FROM Table WHERE RESTRICTION_ID IS NOT NULL)
Count them all
with t as (
-- sample data
select 2 as ROLE_ID ,null as RESTRICTION_ID from dual union all
select 2 ,15 from dual union all
select 2 ,null from dual union all
select 13 ,12 from dual union all
select 13 ,null from dual union all
select 13 ,13 from dual union all
select 555 ,null from dual union all
select 555 ,null from dual union all
select 555 ,null from dual union all
select 91 ,10 from dual union all
select 91 ,12 from dual union all
select 91 ,null from dual
)
select ROLE_ID,RESTRICTION_ID
from (
select t.*
,count(RESTRICTION_ID) over(partition by ROLE_ID) as cnt
from t
) x
where cnt=0;
I have table With ID,Sub_ID and value coloumns
ID SUB_ID Value
100 1 100
100 2 150
101 1 100
101 2 150
101 3 200
102 1 100
SUB ID can vary from 1..maxvalue( In this example it is 3). I need Sum of values for each Sub_ID. If SUB_ID is less than MAXVALUE for a particlaur ID then it should take MAX(SUB_ID) of each ID As shown below ( In this example for ID=100 for SUB_ID 3 it should take 150 i.e 2<3 so value=150))
SUB_ID SUM(values) Remarks
1 300 (100+100+100)
2 400 (150+150+100)
3 450 (150+200+100)
This can be easily done in PL/SQL . Can we use SQL for the same using Model Clause or any other options
SQL Fiddle
Oracle 11g R2 Schema Setup:
CREATE TABLE TableA ( ID, SUB_ID, Value ) AS
SELECT 100, 1, 100 FROM DUAL
UNION ALL SELECT 100, 2, 150 FROM DUAL
UNION ALL SELECT 101, 1, 100 FROM DUAL
UNION ALL SELECT 101, 2, 150 FROM DUAL
UNION ALL SELECT 101, 3, 200 FROM DUAL
UNION ALL SELECT 102, 1, 100 FROM DUAL
Query 1:
WITH sub_ids AS (
SELECT LEVEL AS sub_id
FROM DUAL
CONNECT BY LEVEL <= ( SELECT MAX( SUB_ID ) FROM TableA )
),
max_values AS (
SELECT ID,
MAX( VALUE ) AS max_value
FROM TableA
GROUP BY ID
)
SELECT s.SUB_ID,
SUM( COALESCE( a.VALUE, m.max_value ) ) AS total_value
FROM sub_ids s
CROSS JOIN
max_values m
LEFT OUTER JOIN
TableA a
ON ( s.SUB_ID = a.SUB_ID AND m.ID = a.ID )
GROUP BY
s.SUB_ID
Results:
| SUB_ID | TOTAL_VALUE |
|--------|-------------|
| 1 | 300 |
| 2 | 400 |
| 3 | 450 |
Try this
SELECT SUB_ID,SUM(values),
(SELECT DISTINCT SUBSTRING(
(
SELECT '+'+ CAST(values AS VARCHAR)
FROM table_Name AS T2
WHERE T2.SUB_ID = d.SUB_ID
FOR XML PATH ('')
),2,100000)[values]) as values
FROm table_Name d
GROUP BY SUB_ID
How about something like this:
select max_vals.sub_id, sum(nvl(table_vals.value,max_vals.max_value)) as sum_values
from (
select all_subs.sub_id, t1.id, max(t1.value) as max_value
from your_table t1
cross join (select sub_id from your_table) all_subs
group by all_subs.sub_id, t1.id
) max_vals
left outer join your_table table_vals
on max_vals.id = table_vals.id
and max_vals.sub_id = table_vals.sub_id
group by max_vals.sub_id;
The inner query gets you a list of all sub_id/id combinations and their fall-back values. The out query uses an nvl to use the table value if it exists and the fall-back value if it doesn't.
I'm having trouble crafting an Oracle SQL query that returns the results I seek. It's possible that what I'm trying to do isn't possible.
For a given code in table one, if the code exists in table two and ANY of the flags are "1", then the status should be "1" in the query results. Otherwise, the status should be "0". If the code doesn't exist at all in table 2, then the status should be null.
tab1
------------
id,code
------------
1,ABC
2,DEF
3,GHI
4,JKL
5,MNO
6,PQR
7,STU
tab2
------------
id,code,flag
------------
1,ABC,0
2,ABC,0
3,DEF,1
4,DEF,1
5,GHI,0
6,GHI,1
7,JKL,1
8,JKL,0
9,MNO,0
10,PQR,1
(query?)
result
------------
id,code,status
------------
1,ABC,0
2,DEF,1
3,GHI,1
4,JKL,1
5,MNO,0
6,PQR,1
7,STU,null
So far, the only query I've been able to come up with is this, which doesn't give the right results in the status column...
select tab1.*, (select * from (
select flag from tab2 where tab2.code = code order by flag desc)
where rownum <=1) as status from tab1;
... status is always "1", which is incorrect.
I'm thinking that instead of using order by and selecting the first result, it might be possible to instead count the number of "1" flags for each code, but I'm not sure if that would work.
My first inclination is to use a subselect:
select t1.*,
(select max(t2.flag)
from table2 t2
where t2.code = t1.code
) as t2flag
from table1 t1;
You can also phrase this as a left join with an aggregation:
select t1.*, t2.flag
(select max(t2.flag)
from table2 t2
where t2.code = t1.code
) as t2flag
from table1 t1 left join
(select t2.code, max(t2.flag) as flag
from table2 t2
group by t2.code
) t2
on t2.code = t1.code;
Both these methods are assuming that flag is either 0 or 1, as in your question.
I'd use a LEFT JOIN:
select t1.id, max(t1.code) code, max(t2.flag) status
from table1 t1
left join table2 t2 on t1.code=t2.code
group by t1.id
Assuming that 0 and 1 are the only two flags, what about something like:
with tab1 as (select 1 id, 'ABC' code from dual union all
select 2 id, 'DEF' code from dual union all
select 3 id, 'GHI' code from dual union all
select 4 id, 'JKL' code from dual union all
select 5 id, 'MNO' code from dual union all
select 6 id, 'PQR' code from dual union all
select 7 id, 'STU' code from dual),
tab2 as (select 1 id, 'ABC' code, 0 flag from dual union all
select 2 id, 'ABC' code, 0 flag from dual union all
select 3 id, 'DEF' code, 1 flag from dual union all
select 4 id, 'DEF' code, 1 flag from dual union all
select 5 id, 'GHI' code, 0 flag from dual union all
select 6 id, 'GHI' code, 1 flag from dual union all
select 7 id, 'JKL' code, 1 flag from dual union all
select 8 id, 'JKL' code, 0 flag from dual union all
select 9 id, 'MNO' code, 0 flag from dual union all
select 10 id, 'PQR' code, 1 flag from dual)
select t1.id,
t1.code,
t2.flag status
from tab1 t1
left join (select code,
max(flag) flag
from tab2
group by code) t2
on (t1.code = t2.code);
ID CODE STATUS
---------- ---- ----------
5 MNO 0
6 PQR 1
2 DEF 1
1 ABC 0
3 GHI 1
4 JKL 1
7 STU
Maybe I'm missing something, but it seems to be as simple as this:
select tab1.id, tab1.code, max(tab2.flag) status
from tab1
left join tab2 on tab1.code = tab2.code
group by tab1.id, tab1.code
order by tab1.id;
A sample SQL Fiddle gives the desired result:
| id | code | status |
|----|------|--------|
| 1 | ABC | 0 |
| 2 | DEF | 1 |
| 3 | GHI | 1 |
| 4 | JKL | 1 |
| 5 | MNO | 0 |
| 6 | PQR | 1 |
| 7 | STU | (null) |
SELECT ID,
CODE,
MAX( STATUS)
FROM
(SELECT DISTINCT T1.ID,
T1.CODE,
FLAG AS STATUS
FROM T1
LEFT JOIN T2
ON T1.CODE = T2.CODE
)
GROUP BY ID,
CODE;
This gives result as you asked:
SELECT tab1.id,tab1.code,max(tab2.flag) as Status
FROM tab1 LEFT JOIN tab2
ON tab1.code=tab2.code
GROUP BY tab2.code
ORDER BY tab1.id;