
sql - How to do a Select in a Select - Stack Overflow
Apr 17, 2009 · I have a table containing a unique ID field. Another field (REF) contains a reference to another dataset's ID field. Now I have to select all datasets where REF points to a …
sql server - SQL select from a select query - Stack Overflow
I want to do a select request that perform a first select and then use that selection to perform a second select. I made a 1st version using a temp table but I would like to know - is there is a wa...
What does it mean `SELECT 1 FROM table`? - Stack Overflow
select 1 from table will return the constant 1 for every row of the table. It's useful when you want to cheaply determine if record matches your where clause and/or join.
sql - MySQL SELECT only not null values - Stack Overflow
Is it possible to do a select statement that takes only NOT NULL values? Right now I am using this: SELECT * FROM table And then I have to filter out the null values with a php loop. Is …
A select query selecting a select statement - Stack Overflow
Jan 11, 2010 · A select query selecting a select statement Asked 15 years, 9 months ago Modified 15 years, 9 months ago Viewed 289k times
sql - Case in Select Statement - Stack Overflow
Jan 7, 2013 · I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the …
What does SQL Select symbol || mean? - Stack Overflow
Apr 29, 2014 · What does SQL Select symbol || mean? Asked 11 years, 5 months ago Modified 9 months ago Viewed 187k times
How can I set the default value for an HTML <select> element?
Aug 19, 2010 · The function first tries to find the <select> with the id, then it will search for the value_selected in the <select> options and if it finds it, it will set the selected attribute returning …
sql server - INSERT INTO vs SELECT INTO - Stack Overflow
The simple difference between select Into and Insert Into is: --> Select Into don't need existing table. If you want to copy table A data, you just type Select * INTO [tablename] from A.
odata - combining $expand and $select - Stack Overflow
In odata v4.0 is there an option for combining $expand and $select together? I have a scenario wherein I'm trying to get specific columns in productItemChoices and ...