
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 …
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 …
Using a SELECT statement within a WHERE clause
SELECT * FROM ScoresTable WHERE Score = (SELECT MAX(Score) FROM ScoresTable AS st WHERE st.Date = ScoresTable.Date) Is there a name to describe using a SELECT …
Is there an onSelect event or equivalent for HTML <select>?
There is no onSelect event for HTML select elements, but you can use other events like change or input to achieve similar functionality.
How to select data of a table from another database in SQL Server?
Suppose that I have a database which name is testdb in test server. I also have a database named proddb in prod server. Now I want to select data of a table of testdb database from …
How to select unique records by SQL - Stack Overflow
When I perform SELECT * FROM table I got results like below: 1 item1 data1 2 item1 data2 3 item2 data3 4 item3 data4 As you can see, there are dup records from column2 (item1 are …
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 SELECT into existing table - Stack Overflow
I am trying to select some fields from one table and insert them into an existing table from a stored procedure. Here is what I am trying: SELECT col1, col2 INTO dbo.TableTwo FROM …
html select - Get selected value in dropdown list using JavaScript ...
Jul 6, 2009 · Learn how to retrieve the selected value from a dropdown list using JavaScript.
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.