For the below query I am getting following error: Earlier these were implicit joins but trying to resolve i changed them to explicit inner joins but still I am getting this error. What can I try next? Answer Never use commas in the FROM clause. Always use proper, explicit JOIN syntax. So, write the FROM claus…
Tag: sql
How to translate an SQL statement to TypeORM query builder?
How would I convert the code below to TypeORM querybuilder? I am trying to follow the documentation. Thanks. Answer I figured it out.
Combine multiple results into a single string in SQL Server
Is it possible to combine multiple results into a single string in SQL Server? I have the following table: How can I select the table and return the select result as below: Answer Try this:
How to store multiple rows in a variable in pl/sql function?
I’m writing a pl/sql function. I need to select multiple rows from select statement: if i use: it only stores one value, but i need to store all values that this select returns. Given that this is a function i can’t just use simple select because i get error, “INTO – is expected.”…
Sql 2016 – How to get only modified column in system-versioned temporal table
How to get only modified column in system-versioned temporal table. I am using SQL 2016 system-versioned temporal table to track the changes. I have the history table populated with multiple rows which include modified and not modified columns for each version of row edit. Is there any way to get only modifie…
WordPress SQL: get post category and tags
I want to query WordPress data stored in a MySQL database, in order to get a result with columns: post_id category comma-separated tags Expected output: +—————+———-+—————-+…
Getting wrong output in pivot query
Attendance Table Sample Data – Student Table Sample Data – StudentSubject Table Sample Data – Subject Table Sample Data – Output – Wrong output is displaying with parameters – As 2,1,0 and NA,NA,1 should be displayed instead 2,1,1 and 2,1,1 is displaying. Couldn’t poi…
N”’ prefix is added by default while executing Stored Procedure
While executing stored procedure, I’m passing 4 arguments. After passing the arguments through GUI mode, I’m seeing that some prefixes has been added by the sql itself. So when I am removing the N”, it’s giving me an error saying Invalid column name ‘BSCCS’. What does it me…
Ignore Sunday while generating student attendance report in SQL
This code gives me the attendance report between two dates passed as a parameter. I will pass dates respective of the month selected from the C# code. But I want to skip Sundays while generating the attendance report. How can I achieve this? Answer How about changing #TempDates? This assumes that your interna…
Replace `0` with `N/A` or `-1` in pivot query result
I have Attendance table in which date and attendance is stored and I am passing date range in this query to display attendance report. Now my question is how can I replace 0 (which I am getting as a output if the date passsed doesn’t match with the date inside the Attendance table) with N/A or -1 ? Answ…