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 …

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 …

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 …

Dec 20, 2017 · This Stack Overflow thread discusses the possibility of adding an option separator for select elements in HTML and provides insights from developers.

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 …

Jun 13, 2024 · 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.

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 …

There is no onSelect event for HTML select elements, but you can use other events like change or input to achieve similar functionality.

SELECT INTO DECLARE the_variable NUMBER; BEGIN SELECT my_column INTO the_variable FROM my_table; END; Make sure that the query only returns a single row: By …

Jul 6, 2009 · Learn how to retrieve the selected value from a dropdown list using JavaScript.