I am trying to use dense_rank to get element order for instance: I have table seq_test with data: after I run the code above, I’ve got : I want to achieve: So DENSE_RANK() function use its own order defined in function definition I need to order the SEQ column by sequence column. Update: I want to get: …
Tag: analytic-functions
sum values based on 7-day cycle in SQL Oracle
I have dates and some value, I would like to sum values within 7-day cycle starting from the first date. this is my input data with 4 groups to see what groups will create the 7-day cycle. It should start with first date and sum all values within 7 days after first date included. then start a new group with
ORACLE SQL find row with max date for each grouping
I am trying to write a query which will return only the rows, which time has the greatest value for each id Result should look like: I tried grouping by id but I don’t know how to sort after that and pick only the top result. Answer You can use window functions: An alternative method is a correlated sub…
Compute a Decreasing Cumulative Sum in SQL Server
What I’m trying to achieve is a cumulative sum on a non-negative column where it decreases by 1 on every row, however the result must also be non-negative. For example, for the following table, summing over the “VALUE” column ordered by the “ID” column: I expect: Answer Your ques…
Select first two distinct occurrences and return rowid
I have a table like this: room_id | name | time 1 | Kate | 2019-09-18 10:00:00.000 1 | Michael | 2019-09-18 12:00:00.000 1 | George | 2019-09-18 14:00:00.000 2 | Tom …
Range based window Frame can have only 1 sort key
Ive tried to run the next query select sum(balance) over (partition by client order by card desc, date_tr desc) from table_1 And in Result i have the next error message: FAILED: SemanticException …