As we all know, the ORDER BY clause is processed after the SELECT clause, so a column alias in the SELECT clause can be used. However, I find that I can’t use the aliased column in a calculation in the ORDER BY clause. I know there are alternative ways of doing this particular query, and I know that this is
Tag: alias
Use column references in Oracle SQL select query to avoid re-calculation
I want to create a summarised database backup report, which includes data from multiple database tables which has no relation to each other. For example, I want to include the name of the database from v$database view: And the size of the database: And consider there is no common column between those two view…
MySQL keyword aliases
I would like to set up aliases for MySQL keywords for faster typing of repetitive (or any, really) queries. Example: -> becomes: How could I go about achieving the above? I have looked around but unfortunately, most searches point to column and table aliases and I did not see a mention in MySQL documentati…
How use case statement alias in where clause
I’m trying to use a case statement and the results to in an alias, but I need to use the alias in my where clause and this doesn’t seem to be working. How do I use the alias (isPrimary below) in my where clause. See comment where I’m trying to use isPrimary in my where clause, which doesn…
using subquery’s column alias as a property in main query
i want to know if the main query can see the alias, here’s an example: Does the first query see the alias “values”? Answer Does the first query see the alias “values”? Yes, it does. The subquery creates a derived table, and aliases act as column names in that context. However, st…
How to keep column name after sum aggregation in SQL query
I am querying SQL Server where I have multiple columns with sum aggregation. I’m wondering if there is a way to keep column name after doing sum over each of them. I want to avoid using aliases …
Tired of typing SQL scripts like “SELECT TOP 10 * FROM” and other similar scripts. How to create an alias/shortcut in SSMS?
While doing a lot of research at my work I keep writing generic scripts like “SELECT TOP 10 * FROM” etc. Is there a way to for me to write something like a snippet so that when i type “ss” + Space/Tab it will insert the “SELECT TOP 10 * FROM” script? I have a number of scri…
Laravel Query Builder joining with alias
I have two tables Unknown table Clients table My Code : Joining will be with the clients.id => unknown.parent_id… As because the clients table has a parent_id that’s why i have to use the alias Please Help me to do so! Answer Using Alias Working Solution:
What is the difference in select with alias, and without- oracle 11g
I have a table, let’s name it table1. The table consists of many columns, and one of the columns is an object, which consist of 3 subcolumns, let’s call them value1, value2, value3. Let’s say that …
SQL `SELECT ‘some string value’ AS fieldname` equivalent in Powershell?
In SQL I can go SELECT actualField, “repeat” AS bs_repeated_value FROM Table1 And I can repeat the bs_repeated_value field as many times as there are rows no matter what I name the field! Now in a …