How to achieve this using sql?
assume I have a below table and data
create table sk_abcd (a varchar2(6), b varchar2(4));
insert into sk_abcd values ('abcdef', '1235');
insert into sk_abcd values ('qwert', '15');
commit;
now I want output as below:
<some query>
a b
-- --
ab 123
cd 5
ef null
qw 15
er null
t null
Hello
You don't give no matter what version of the database, or a clear explanation about the logic, so I just think that's what you want:
SQL> SELECT substr(a, 2*value(t)+1, 2) a,
2 substr(b, 3*value(t)+1, 3) b
3 FROM sk_abcd,
4 TABLE(
5 CAST(
6 MULTISET( select level-1 i from dual connect by level <= ceil(length(a)/2) )
7 AS sys.odcinumberlist
8 )
9 ) t
10 ;
A B
-------- ------------
ab 123
cd 5
ef
qw 15
er
t
6 rows selected
Tags: Database
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Select *.
Of
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e provider_detail
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float (126) of t1_price 0 not null by default)
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200
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(NVL)
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T1 d
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AND r.ColB = d.ColB
AND r.ColC = d.ColC
AND r.startdt = d.startdt),
(SELECT T2_Price
B T2
WHERE r.colA = b.ColA
AND r.ColB = b.ColB
AND r.ColC = b.ColC
AND r.startdt > = b.startdt))) < < < < I don't know that I'm missing my logic in that statement.
WHERE THERE ARE
(SELECT T1_Price
T1 d
WHERE r.colA = d.ColA
AND r.ColB = d.ColB
AND r.ColC = d.ColC
AND r.startdt = d.startdt
UNION
SELECT T2_Price
B T2
WHERE r.colA = b.ColA
AND r.ColB = b.ColB
AND r.ColC = b.ColC
AND r.startdt > = b.startdt);
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That's what you asked for:
MERGE INTO dst of t3
WITH THE HELP OF)
SELECT t3.cola, t3.colb, t3.colc, t3.startdt
MAX (t1.t1_price) AS t1_price
MAX (t2.t2_price) DUNGEON (DENSE_RANK LAST ORDER BY t2.startdt)
AS last_t2_price
T3
LEFT OUTER JOIN t1 ON t1.cola = t3.cola
AND t1.colb = t3.colb
AND t1.colc = t3.colc
AND t1.startdt = t3.startdt
LEFT OUTER JOIN t2 ON t2.cola = t3.cola
AND t2.colb = t3.colb
AND t2.colc = t3.colc
AND t2.startdt<=>=>
GROUP OF t3.cola, t3.colb, t3.colc, t3.startdt
) CBC
WE (dst.cola = src.cola
AND dst.colb = src.colb
AND dst.colc = src.colc
AND dst.startdt = src.startdt
)
WHEN MATCHED THEN UPDATE
SET dst.t3_price = NVL (src.t1_price, src.last_t2_price)
;
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----- ----- ----- --------- ----------
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VAL1 VAL2, VAL3 5 OCTOBER 14 300
VAL1 VAL2, VAL3 12 OCTOBER 14 200
VAL1 VAL2, VAL3 19 OCTOBER 14 300
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