I have the following small subquery in query in stored procedure. But there is the syntax error: “(” is not valid at this position, expecting an identifier So, the question is: do I have a possibility to use brackets and/or arithmetic operators in LIMIT clause? Documentation says I can use local v…
Tag: sql
Add datetime column with values based on another datetime column
I have a table: Using SQL language (BigQuery dialect) I need to add one column date_today_max, such that it copies all data from date column, but for records with the latest date (meaning max(date)) it will replace date with current_date: with Python+Pandas I’d achieve similar with but I have no clue ho…
SQL Select only last row’s username
I got my db and I only want to get my last row’s username. The database is named servers and the table is log: As I mentioned I’m trying to get this: Output: borat I tried using: But I’m only getting the correct timestamp and not the right username, and my output is also way longer than what…
Issue with uploading image using this.form.submit();
I am using this.form.submit(); in order to upload an image straight after it is sellected and also pass some other info along. I am having an issue, the submit works and passes the id with post but the image is not uploaded and the name is not inserted in the db it might add a name like 0_ but that
Inserting data into a table using foreign keys in MySQL
I am trying to insert data into a contacts table using foreign keys in mysql, the structure of tables are as follows The fk_id in the contacts table is the FOREIGN KEY and it relates to the pers_id PRIMARY KEY in the users table, I am trying to insert a new contact with relates to a user in the users
How to comapre two rows in SQL Server
Consider the below rows in a table I want to compare two rows and get difference between them. My required result would be: Answer …adjust..
Column to see Completion
I’m trying to come up with a way to add an extra column to this result-set that is a bit value of 1/0if the particular owner has all the rows as not null. The column would be: Answer You can use window functions:
How to convert char data type to date in SQL Server?
In a table, there is a column BeginDate of type char(10) and all the records are saved in 2020/05/06 format. How can I change the data type to Date? Answer You could strip the / characters and then you have the ISO format yyyyMMdd.: But the real solution is fix your design; stop storing dates as a varchar.
Is there a way to return 0 if values does not exist in table using SQL Server
I have put down below a query to retrieve from four tables which are Query: The query is working well but if the Expense table has no values Expense.Invoice_No does not match with Sales_Invoice.Invoice_No, then the query above will return empty rows. But what I wish to do is that, if Expense.Invoice_No does n…
how to query the max value of count
I try to get the max count value but error this is my data I need to get the max count of tool_id I use this code to get tool_count and I use to get max tool_count but it error the result I need : Answer You can try using order by desc with limit 1