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Tag: case

Access alias in CASE statement

I am trying to create a column called DateStartedStatus that utilizes a previously aliased column to compute its value. It should use CurrentStatus to output a value and an error is showing that says “Invalid column name ‘CurrentStatus'”. How can I access that alias in the below case statement? Answer Using subqueries like this Do not worry, subquery will not

SQL CASE WHEN: is there a limit ( in number of characters )? [closed]

Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 9 months ago. Improve this question I’m using the case when statement to group locations ( starting & destination lat, long ) into 3 regions. Running 1 query for each region

SQL Substring Case Condition

I’m trying to solve the following question on SQLPAD. Write a query to return the number of actors whose first name starts with ‘A’, ‘B’, ‘C’, or others. The order of your results doesn’t matter. You need to return 2 columns: The first column is the group of actors based on the first letter of their first_name, use the following:

Proper Case in Athena SQL

I’m new to Athena and trying to convert a field ‘Country’ to Proper Case. For example: united states -> United States Is there a way to do this in Athena? Answer Turning a comment into an answer: Athena engine version 2 gives in its RegEx section as example for regexp_replace(string, pattern, function)

Recode column values in MySQL

I am dealing with a column named UCODE130 that has values anywhere from 1-130. I would like to replace the values with ranges. For example, I want to replace any 1, 2, 3, or 4 found in that column with a string “1 – 4” instead. I do not want to do just a select statement – I want to

Case statement in multiple conditions?

I want to check the column mr.name, if mr.name is null then i have to replace mr.name as mr.ticket_no. How? Can use if else or case? When i use like this it will throw an error if mr.name = null means i have to replace mr.name = mr.ticket_no. I want to check the column mr.name, if mr.name is null then

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