I am not sure whether it is possible or not, I have one DB table which is having fields refNumber, Some of this fields values contains two leading zeros, following is example. id. refNumber 10001 123 10002 00456 Now I am trying to write a query which can select from this table with our without leading zeros (…
How to find the sum from value of sql column
I have two tables with following data. studenttbl: feetbl: I need to find below data, but I am not getting balance value of seatno 1006: I am using this SQL query: Please help me with this. Answer This issue is due to INNER JOIN versus LEFT JOIN. When you INNER JOIN youll only get matches between two tables. …
Why does oracle DBA_SYS_PRIVS have more grantees than are in USER_SYS_PRIVS and ROLE_SYS_PRIVS?
So I was trying to figure out whether a grantee in DBA_SYS_PRIVS was a user or a role. When I search for it in DBA_SYS_PRIVS, it’s there: Which gives me: So then I wanted to know whether GRANTEE1 was a user or a role, so I did these two queries: and and neither of them showed any results. So then
Problem in a function that extracts and saves fields from a database table to another
If in the combo_Nations combobox I select a specific Country (the country name is extracted from the “All_Nations” table in the “Nations_name” column), I would like to get the corresponding ID_Nations of the respective selected country (ID_Nations is found in the same table “All_…
What is the most efficient way to optimize a filter based on parameters on a SQL Server stored procedure?
Right now I have something like: … and so on, so in the end I’ll have I think this is going to work, but it doesn’t seems efficient to me. Is there a way to optimize this process and filter information with multiple parameters, with the option of some of them being null? Answer The most effi…
Split String into rows but keep associated data
I’m not real familiar with Split_String and my searches aren’t turning up anything that I can figure out for my case. What I need to do is split a field into rows each time its delimited but then for each new row created, copy the associated columns with that field to those new rows. How data will…
Get Other Columns based on window function maximum value, Bigquery
How to get the whole row or other column value for the same row for which window function in over clause gave output. For ex. Using the above query I get output as the best value which defined the maximum number above me when order by timestamp. The output of the above column : I calculated the best value usi…
How to display and link two sql tables?
I’m trying to display genres from a “Genre” Table in SQL to my main table I found a way to do it with one item but I cannot find a way to do it with multiple genres I got an error from this and I don’t know how to fix it. My SQL database: Answer Do a LEFT JOIN for
How to make correct query with complicated conditions?
I have this table: I need to select only that band_names which participant set is not changed all time of its existance(date_join == active_years_begin and (date_left is null or active_years_end is null) or (date_left == active_years_end)) ) for all band participants. So here right answer is The Beatles, Wing…
Postgresql OVER
I have data like: id user index 1 aaa 0 2 bbb 0 3 aaa 1 4 bbb 1 5 aaa 2 6 ccc 0 How to get only the latest index of each user ? Like this result id user index 4 bbb 1 5 aaa 2 6 ccc 0 Answer Looks like a simple DISTINCT ON: This will