I’m trying to find a way to simplify my stored procedure. When I try to query using single parameter it went well but when using array, the retrieval process took so long. Any idea how will I simplify this? Someone suggested to me to put StringAsArray into temp table but I don’t know exactly what …
Insert Data By Splitting Column into Different Rows in SQL
I have a temporary table Temporary Table Image ID Code Type 1 A001 A, B 2 B001 A, B 3 C001 A, B & a source table in my database Source Table Image ID Code Text 1 A001 Text A 2 B001 Text B 3 C001 Text C I want to insert the the ‘type’ data to have output like
Error Code: 1242. Subquery returns more than 1 row in Attribute Subquery
I’m trying to get the difference between two dates deathtime and admittime using subquery in attribute list. This is the script that I run: It returns Error Code: 1242. Subquery returns more than 1 row when I run it. Would really appreciate any help. Answer The reason why you’re getting that error…
Capturing difference between 2 tables in one table
I understand my mistake with creating questions in StackOverflow, so I want to rewrite my question. I have two tables. One of them is my target table with old data and the source table with new data. Implicitly I want to compare these 2 tables and get information on which columns have been changed and changed…
Find numeric record number in string
I’ve been using this site for longer than I can remember, but I’ve never had to ask a question before – I’ve always been able to find what I need – but this one could use some SQL expertise for the best approach since it’s kind of a worst case. I have a text comment field t…
Why Is My API Not Returning Nested Object (.NET 6 Entity Framework and SQL DB)
I have created an API, using EF and database first approach via scaffolding. I have the following in my context file and then the following in my models Request: Request Line: My Request controller looks like this: In Swagger, it is displayed correctly in the example, based on the model: But when running the …
Concate values of a certain column in a different column depending on id in SQL
id col1 1 John 1 Mary 2 Patricia 2 Charlie 3 Jane 3 Karen 3 MJ 3 Roland The output should look like this id values 1 John,Mary 2 Patricia, Charlie 3 Jane, Karen, MJ,Roland Answer In MySQL, MariaDB and SQLite, you can use the GROUP_CONCAT aggregation function: In PostgreSQL and SQL Server, you can use the STRI…
NULL in SQL need it Removed [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 7 months ago. Improve this question I would like to remove the “Null” in my week Column. Any help…
PostgreSQL: Create array by grouping values of the same id
Given the following input data: id category 1 A 1 B 2 A 2 R 2 C 3 Z I aim aiming to get the following output table: id categories 1 {“A”,”B”} 2 {“A”,”R”,”C”} 3 {“Z”} using the following query: But what I get is the following table: id cat…
How to join two total tables using sql?
For a university work we have two tables in sql: table1: table2: I need to join the two tables by adding the total number of people in each city. So I tried to do: However, if a city A appears in table 1 and does not appear in table 2 this would not work. The same would happen if a