I have this statement which you can see I am using Rails and connecting to the database raw, but the output removes duplicate named columns eg user_id etc from the second table and is still giving results in the second table in regards to the first even though there is no relation. Eg There is no relation bet…
What are the syntax transformation rules of Teradata’s “implicit JOIN”?
Given this schema: It is possible in Teradata to write the following: Which seems to implicitly add the u table to the table list. What’s actually being executed is this: Both producing Irrespective of whether using this feature is a good idea (and I think it isn’t), I can’t seem to find any…
Get multiple clock in and out time from multiple inputs and neglect without clock [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 last year. Improve this question I have login table structure as below I want to get like Answer As mentioned…
why is 64 added to the end of a typcast transformation?
–example typecast trip duration to integer includes 64.. but why? Answer This looks like BigQuery code. In BigQuery, the integer type is called int64, meaning that it has 64 bits (or 8 bytes). I’m not sure why it calls this int64 rather than simply int. I imagine it will disappear one day. It is a…
SQLite table is only able to hold 1 row?
So, I have 2 tables, that I’ve added per the documentation, but something weird happens whenever I try to add a row to them. The data is written into the .db file, but whenever I query it, it only returns the first row. I can still update, and read these rows normally, but any data I write to them, just
How to use a SQL keyword NOT as a keyword
I am trying to transform a table of data–I want the rows to become the columns, and the columns to become the rows (like a total complete pivot). I am using the method from this answer to do so. If it makes any difference, I am running my own SQL server on a Raspberry Pi using PHPMyAdmin. The table (tru…
SQL SELECT WHERE meta_keywords = ‘[”]’
I have been having trouble query after ‘[”]’ in table. The data is inserted from pandas dataframe with datatype object (if it matters). I want to get make a view without the empty lists. Have tried to write the empty list different ways ‘[”]’ , ‘[“””…
SQL/Presto: how to rank within a subgroup of each group
I have a table like the following: i want to rank user_id within subgroup of each group by the score and then by time (earlier better) each user_id gets. so the desired output is Answer Use rank(): Actually, I’m not sure if higher scores are better than lower ones, so you might want score asc.
Display null if only one value for Min(Column) and Max(column) SQL query
This is my original table Desired output: Current output with my query Query: Answer You can get your expected output from your sample input: See it in action: SQL Fiddle You should probably add some aliases to at least one set of columns. Not sure, though, how you got two rows of data with your sample query.…
Datatables don’t load content of database
I’m trying to load users from a table in my database using datatables(https://datatables.net/) but the page is not loading anything at all. I’m getting these errors when I open the console [1]: https://i.stack.imgur.com/ykNTL.png I loaded the js and css here in this order: [uncaught ReferenceError…