I have a dataframe as I created new column of Last status like But I want to create a column of the flow i.e append last status with the next va ...

Is there any difference between a null value and a row type where all columns are null? Postgres queries appear to be able to tell the difference (dis ...

How to convert columns of one row into one row each? Having data in table as below: required output: all values in the row should go in single col ...

I would like to write a condition like the following with JOOQ I tried this syntax which generates But this solution lead to a huge performa ...

Let's look for example Oracle SQL, which works perfectly: Sample data: Query: Here's the sql-fiddle: http://www.sqlfiddle.com/#!4/8375e/3/0 Si ...

Say you have Accounts table where ID column is PK and TaxID+AccountNumber is unique constraint: now you want to make similar query using the natura ...

I have a table containing the fields group_id and group_type and I want to query the table for all the records having any tuple (group id, group type) ...

My application initially had a query similar to this one:- where list is comma separated list. But, now the requirement has changed and i have to ...

Trying to do the same thing as this question, but this time in sqlite. In my current application, I need to be able to do this type of query: and g ...

With PostgreSQL and MySQL it is all right to do something like When I tried the same thing on SQLite3, it gave me an exhausting error message: F ...

In my current application, I need to be able to do this type of query: and get the answer of (333, 'B', 'B'), given this data: What is the most ...

Is it possible to compare tuples (thanks, a_horse_with_no_name) in the WHERE clause of a SQL query? That way, I could convert this: Into something ...

I have the following table in a SQLite3 database: I would like to perform the following query: That is, I have a couple of tuples of annotation ...

How to compare groups of tuples in sql: consider the following example: I want to write an sql query which compares the groups of values in both t ...

Given a database like this: I would like to do something along the lines of To get the answer 'one','three', but I'm getting "near ",": syntax ...