SQL – Page 560 – SQL Questions Answer

How to use count(‘condition’) over(partition by xx) in SQL

sql

Here is the database: The first table is named Trip and the second table is Users. CLIENT_ID and DRIVER_ID are foreign keys for USERS_ID in the Users table. I want to find how many orders cancelled by the non-banned driver and non-banned passenger for each day (Trip.Status != ‘completed’ and Users…

How to Select one Value for each row after Joining of 2 Tables

sql sql-server tsql

I have 2 tables, the first one has 10 distinct values: , each GlobalPnID has many values on the second table, I want to join 2 tables and select one random value of PortionKey of the second table that match the condition and move to the next GlobalPnID Answer

Getting Error as @Parameter1 is not a parameter for procedure

ado.net c# sql sql-server stored-procedures

I am learning mvc from this video where I am getting data from a form and saving it to database. When I ran my code first it gave an error stating Procedure or function ‘spAddEmployee’ expects parameter ‘@Employee_Name’, which was not supplied. I followed a solution in which I initiali…

SQL ARITHMETIC OPERATION

sql

I am trying to get the sum of two rows using (+) operator in select. But when one column is null, the column for the SUM will also be null. If 2019 have sales amount of 20,000 and 2020 with 0 or null, the TOTAL_SALES will also be NULL I am wondering if there is a way to make the

Postgres & Rust R2D2: How to get array_to_json as text/string without the escaped double quotes?

postgresql postgresql-9.5 rust rust-cargo sql

I have the following SQL: This gives me following in PSQL: When I put a ::text: I still get the same: However on my rust app’s side using r2d2_postgres, I get an escaped string instead: Rust code: Outputs: How I can I prevent the escaping of double quotes? Answer The quotes are only escaped during print…

Aggregate yearly data based on different months using SQL

sql sql-server

I have a table ‘Amounts’ where I have the monthly payments of customers. Every customer has a row for each payment he has made. I want to aggregate their payments yearly starting from the month they paid first. For example in the table given below, for userID 132, I want to aggregate his payments …

SQL Subselect calculated in one row

sql subquery

I have a trouble getting an SQL select to work. I have one table – below is the example: I want to calculate the sum of every entry under 10 hits and every entry over 10 hits in one output. Like below: I tried inner join and outer join but I think that’s the wrong approach. If I do a