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 …

SELECT * from employees WHERE NOT EXISTS (SELECT name FROM eotm_dyn) So basically I have one table with a list of employees and their details. Then another table with some other …

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 …

<select onChange="javascript:doSomething();"> <option>A</option> <option>B</option> <option>C</option> </select> Now, doSomething() only gets triggered when the selection …

This is a sample code to select all records from a table. Can someone show me how to select the last record of that table? select * from table When I use: SELECT * FROM TABLE ORDER BY …

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 1 FROM table What does this 1 mean, how will it be executed, and what will it return? Also, in what type of scenarios can this be used?

SELECT column1, colum2, column3, etc. FROM TABLE Does the efficiency really matter in this case? I'd think SELECT * would be more optimal internally if you really need all of the data, …

I was wondering what the differences are between Select-Option and Datalist-Option. Is there any situation in which it would be better to use one or the other? An example of each follows: …

Learn about creating and using HTML select dropdown lists with helpful examples and community discussions on Stack Overflow.