I wounder how I could use an alias in a where statement. Example : SELECT SUBSTRING(Column1, 1, 4) + SUBSTRING(Column1, 4, 3) AS Col1 FROM MyTable WHERE Col1 = 'MySearch' I use MSSQL …

Apr 2, 2024 · If I want to use the alias in the same query how do I do that? For example, consider Table name xyz with columns a and b select (a/b) as temp, temp/5 from xyz Is this possible in some way?

Nov 1, 2016 · What are the pros and cons of using table aliases in SQL? I personally try to avoid them, as I think they make the code less readable (especially when reading through large where/and …

Aug 16, 2017 · UPDATE statisticsTable SET Value = (select count(*) FROM OtherTable o WHERE o.UserId = UserId ) <-- this is the part that concerns me WHERE id in (1,2,3) How does SQL Server …

2 For me, the simplest way to use an ALIAS in the WHERE clause is to create a sub-query and select from it instead. Example:

Nov 12, 2010 · SELECT * FROM table AS t1; What's the difference between them if any? I see old DBA people tend to write statements without AS, but most of the new tutorials use it. Update: I know …

Aug 25, 2021 · 1 When you create an expression with an alias in a SELECT list, the only place you are allowed to use the alias is in the ORDER BY clause. This frustrates many people in SQL because it …

6 Caution that using alias in the Group By (for services that support it, such as postgres) can have unintended results. For example, if you create an alias that already exists in the inner statement, the …

I'm not sure how this answers your question. I'm using MS SQL Server and adding an alias after the table name doesn't append the alias to the columns names in the resultset.

Oct 29, 2013 · MySQL uses `backticks` to escape special characters. SQL Server can either use "double quotes" or [brackets] for identifiers (tables, columns, etc) and 'single quotes' for character …