I am learning SQL Server, and I have a sample database which I got from my co-worker. I created a stored procedure previously which works fine. Now I am trying to show average of the column which I am struggling at the moment. Your supports means a lot and I will learn from this. So here is my query: And
Tag: sql
Counting unique pairs, but applying that count to all of its entries in SQL (not removing duplicates)
Let’s say I have a table: And I want my table output to be: but with the code I have here my output looks like this Any way I can create an sql query to is like my top table vs the one I make currently Using: 10.5.5-MariaDB Answer Use window functions:
MS Access SQL – Find numbers with decimals no end to Zero (,00)
I am having a table and i would like to find all numbers where it doesn’t end to ,00 but with decimal number like ,01 or ,23 or etc… I would like to create a sql query to create column c like iif(s IS ZERO AFTER DECIMAL, NULL, s) Is it possible in MS ACCESS SQL? Answer For positive numbers,
How to escape it properly?
I have sql string written with template string syntax: I have problems with binding second param – $2 because of single quote. How should I write it properly ? Error: Error: Query failed: bind message supplies 2 parameters, but prepared statement “” requires 1 Answer I think you’re sup…
how to do sum with multiple joins in PostgreSQL?
I know that my question would be duplicated but I really don’t know how to created sql which return results of sum with multiple join. Tables I have result_summary summary_assembly employees info_product machine query result expected output(when sum by num_lot) All of them were modified from original on…
Sql query to get row from date filled
I want to get data from training_course table where current date minus 5 days is equal to training_end_date. Training_end_date is my field in the table. Thanks Answer You seem to want: Or, if your dates have time components, you maybe want:
PHP (v5.6) Error Uncaught exception ‘mysqli_sql_exception’ with message ‘Access denied for user [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 1 y…
Sending a HTML based on SQL server table with conditional formatting
I can send a mail based upon a table in SQL. However, when it comes to changing color on a cell based upon a certain value (conditional formatting). I just cant get it to work. I’ve searched on here and can’t find anything based upon a field value. A segment of my code is as follows: When I try th…
Is this code protected for SQL injection?
is this safe enough? Or should it be improved? Is this code protected for SQL injection? (PHP) Answer I take it for granted that $wpdb is from the WordPress project. Then as explained by the documentation, the very purpose of these placeholders is to prevent SQL injections. Hence you can consider your code sa…
Why is DbUpdateConcurrencyException thrown?
I am using an SQL server and I have a table whose purpose is to hold a tree-like structure: The “Path” column value is generated by INSTEAD OF INSERT, UPDATE trigger. I am using EFCore 3.1 and each time I try to add a record into the table, I get DbUpdateConcurrencyException thrown. What am I miss…