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 …

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

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 dataset …

Feb 26, 2019 · 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 if …

SELECT * from employees WHERE NOT EXISTS ( SELECT name FROM eotm_dyn WHERE eotm_dyn.employeeid = employees.employeeid ) assuming that the two tables are linked by a …

Jan 7, 2013 · Using a SELECT statement with a searched CASE expression Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set …

Jan 18, 2012 · You can select every column from that sub-query by aliasing it and adding the alias before the *: SELECT t.*, a+b AS total_sum FROM ( SELECT SUM(column1) AS a, …

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.

select() and find_all() always return a list (an empty list if they have no results) I almost always use css selectors when chaining tags or using tag.classname, if looking for a single element …

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 …