I have two tables: user: and credential: I want to perform a query to get the following result (one row for every user): Right now I am executing this query: This results in: I want a single row for a user. How can I achieve this? Answer You can use two joins:
Tag: sql
Count from multiple columns and rows simultaneously in SQL
I have a table of matches which look like: I need to find the total matches played by every team and the output should be like this: I know about SUM() and GROUP BY clauses but not able to do it on multiple columns. Any help would be highly appreciated. Answer You can use union all to unpivot the data
Group data in intervals
I need to group data in intervals of 15 (or X) minutes in sql. For example, i have the next scenario. The result that i expect to obtain is I tried using Lag function but i dont get what i want, because it add interval to each row and continues grouping. Thanks in advance and apologies for my bad english.
Populate all rows of a column with same value
The issue is that I have a PostgreSQL table ‘currency’ with 4 columns: ‘id’, ‘symbol’, ‘name’, ‘quote_asset’. The table contains 225 rows and column ‘quote_asset’ has all the values set to ‘null’ for now (it wasn’t popul…
update sql table from two tables Using a single query
i want to update a table column by taking i/p from two tables in a single query. This is what i have tried. But this is not updating the table. Where Table-all_stores is: And table-i_v is: Answer if I understand correctly , you want to do this :
How to query a struct in BigQuery where two key: value pairs matter
I have data like this: And want to filter rows which contain such key:value pairs: color=blue and size=big. So only this one row remains: Answer You can use unnest():
Clickhouse: Mapping BETWEEN filtering from an array
I understand if I want to filter a column between two numbers I can use BETWEEN: Is there a way of mapping the filtering to an array of values, for instance, if the array was [1, 10, … , N]: Answer Try this query:
SUMIFS for vb.net
Good day, How can I do like sumifs in sql query in vb.net here is my code. The plan is to take the Sum of column prdInput based on the helper which is txtlot txtPartnumber and txprocess. I managed to get display the first prdinput the query found but I need the the sum of its since I have multiple
Oracle SQL Error : Unable to execute Subquery
I am trying to execute below Oracle SQL query select m.*, n.region_building_count from (SELECT a.BUILDING_ID as “Building Id”, d.Building_name as “Building Name”, d.ADDRESS …
T-SQL Trigger – Audit Column Change
Given a simple table, with an ID what is the correct way to audit a column being changed. I am asking after looking after various answers which seem not to be working. Here is what I have: Create …