I have two tables, visitors and in. visitors contains columns, Name, Number, Purpose, and Datetime. in contains Name, Number, and InTime. I want to fetch all the values from the visitors table into in. I have tried copying the data from visitors to in, however, if I add new rows into the visitors table, those…
Tag: sql
MySQL get attribute which is not present for all possible values of another attribute
Assume there is a table with columns fieldA and fieldB (Primary Key:fieldA, fieldB). A program keeps inserting entries to this table with the same fieldA value, say constant_for_A, and some arbitrary …
How to add time column to the time stamp column in Vertica ? (or another db’s)
I have two columns like that: ihour (type=HH:mm:ss) 06:40:41 its (type=timestamp) 2020-12-10 00:00:00.000000 I want to add ihour to the its column and have a single column showing me date and time. How can I do this in Vertica? If you know how to do it in another db’s, I would be happy because at least …
Running count SQL server
Can someone please help me in counting the rows in SQL Server Expected result Answer Try this:
How can I return multiple rows in AsyncPG?
Let’s say I have a table with the following format: favoritefood favoritedrink pizza water ice cream orange juice pizza milk How would I return both rows with pizza as the favorite food with Python? I have fetchrow implemented for other functions, but it only works for one row, of course. Ideally, they …
SSIS – Inserting records only if they don’t already exist based on matching at least 1 of multiple columns
I have an SSIS package that is supposed to insert data from a flat-file into a database table. For the sake of this example, let’s say I am wanting to insert User records. The data records come from …
Dynamic SQL mistakenly looks for table variable
my code accepts table name parameters and my dynamic code is supposed to query a table. I consistently get the error: @sourcetbl variable must be declared. After a lot of troubleshooting, I realized …
group by category to show difference by month in SQL
I have a view that brings the total number of members in each class for each month however I want to show the growth by subtracting the total_count of the previous month with the current month in a separate column. For example, I would like to view the data as mentioned in the attached image. Here on that tab…
How do I get two different counts from a table in select query
I am trying to have my select query pull the count of items that exist in both tables in one column, and the count of the items that only exist in one table. These two queries give me the data I need, but would like it come from one query. Thanks in advance. Desired Result: Answer You can combine a
Oracle XMLTYPE extract root prolog value
I have sample Query with XML like below: Output: I am trying to fetch the values below within the query or a new query: Is there any way to do that? Any help / direction appreciated. Answer You just have to complete your first XMLTABLE query (h) in this way: