I have a events table, and I have a events_attendees table which has the event_id and user_id. For example, I want to find events around some user (user_id = 1) but also know whether or not they are attending through that additional column. Here’s the query that would get me the pins where the user is a…
How to get common value based on a column from a table sql
I have a table. the screenshot is given bellow: There have two columns item_details_id pay_method_id In item_details_id there have 1,2,1 data. On the other hand pay_method_id have 1,1,3 data. I want to get only common values of pay_method_id depending on item_details_id. According to the given screenshot- in …
Did this SQL update statement delete records? [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 2 years ago. Improve this question I ran an update statement like this, last night. where it is joining local…
What is the correct way to use LEFT JOINS, GROUP BY, and ORDER BY together?
I have an SQL Query (MySQL) which uses a combination of LEFT JOIN, GROUP BUY, ORDER BY, and LIMIT. When I remove LEFT JOIN and GROUP BY it works fine. What is the correct way to add in my additional LEFT JOIN and GROUP logic to make this work? Answer Your syntax is incorrect – where clause will be befor…
Update table inside a loop in a procedure pl/sql
So i want to hire a new manager for a department. This procedure has 2 parameters, the department name i want to change, and the new id for manager (taken from employee’s id). So to change it, i need …
How to add date rows for messages query?
I got a Messages table. id | sender_id | message | date 1 | 1 | Cya | 10/10/2020 2 | 2 | Bye | 10/10/2020 3 | 1 | Heya | 10/11/2020 I want to insert date rows …
Filter a case in a where clause
I want to filter on a case statement in my where clause for example: Select name, address, case when code in (50000-8113, 512388-8114) then ‘M345’ else ‘N/A’ end as Mucode Where mucode = ‘…
MERGE Statement is not working in Informix v10
I tried to use the merge statement to Insert/Update in Informix v10.0 but it throws a Syntax Error: Could you please help? Answer The MERGE statement was not available in Informix 10.00. It was added in 11.50 — see the MERGE statement in the SQL syntax manual. The new features page suggests it was added in 11…
Searching for a keyword, inputted by the user using sqlite3 and python 3.7
I want to search for a post using the keyword inputted from the user in python 3.7, I came up with two solutions but none worked, here’s what I did. Possible solution 1: c.execute(“SELECT pid …
SQL Query to find used time slots for appointment not working [closed]
I am trying to write an SQL Query that looks for any time slots in the table. My table has the following appointments slots reserved for a specific day – say 01/11/2020. StartTime EndTime 09:55 …