https://www.dbrnd.com/2017/11/sql-puzzle-sql-advance-query-fill-the-gap-of-missing-codes/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Sun, 18 Aug 2019 08:35:03 +0000 hourly 1 https://wordpress.org/?v=7.0.4 https://www.dbrnd.com/2017/11/sql-puzzle-sql-advance-query-fill-the-gap-of-missing-codes/#comment-7695 Sun, 18 Aug 2019 08:35:03 +0000 https://www.dbrnd.com/?p=5855#comment-7695 ;With T As
(
Select Row_Number() Over(Order by (select null)) RNo1 ,Code From MissingData
)
Select code, IIF(isnull(a.code,”)!=”, a.code, (select Top 1 b.code from T b where b.RNo1<a.RNo1 and b.code Is not null Order by b.code desc)) NewCode From T a

]]> https://www.dbrnd.com/2017/11/sql-puzzle-sql-advance-query-fill-the-gap-of-missing-codes/#comment-7694 Sun, 18 Aug 2019 08:33:22 +0000 https://www.dbrnd.com/?p=5855#comment-7694 ;With T As
(
Select Row_Number() Over(Order by (select null)) RNo1 ,Code From MissingData
)
Select code, IIF(isnull(a.code,”)!=”, a.code, (select Top 1 b.code from T b where b.RNo1<a.RNo1 and b.code Is not null Order by b.code desc)) NewCode From T a

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