Aug 19, 2011 · This query is called a lot and most of the time it returns the record just fine, but occasionally it returns nothing, even though the record IS ...

Oct 29, 2017 · I am trying to query the database to select users that exist in the database (log in). Config.java class public class config { protected static ...

Sep 10, 2009 · First, when a column is not supposed to allow NULLs , be sure to define it as NOT NULL . Second, in all queries you write, you should consider ...

Feb 10, 2017 · The query you have in your answer, will NOT work. At least in SQL Server it will not work and produce an error. My assumption is in MySQL it ...

Apr 21, 2010 · Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer ...

Sep 16, 2012 · I have this kind of simple query that returns a not null integer field for a given id: SELECT field1 FROM table WHERE id = 123 LIMIT 1;.

Jun 2, 2014 · This query executes successfully, however it returns no data, due to there being no data to return at that time. The reason for this is that if ...

Jul 15, 2020 · you can go for COLLATE clause to convert into a collation, which makes the LIKE to work out. SELECT * FROM [dbo].testtable WHERE testcolumn ...