Sep 3, 2010 · Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted? I understand that SELECT COUNT(*) is a performance problem on …

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

Currently the inner select is only selecting a single field, but it's selecting an enumeration of that field for any matching records (which could be zero or more).

Feb 16, 2023 · 7 You can use the selected attribute for the option element to select a choice by default. You can use the required attribute for the select element to ensure that the user selects …

Feb 26, 2017 · Select and Where are two completely different operators acting on IEnumerable s. The first one is what we call a Projection Operator, while the last one is a Restriction Operator.

Apr 27, 2011 · Learn how to create a placeholder for a 'select' box using HTML and JavaScript on Stack Overflow.

you want to make sure that the user selects anything but "Choose an option" (which is the default one). So that it won't validate if you choose the first option. How can this be done? You can do …

Apr 28, 2017 · I am referring to this stackoverflow answer: How can I select from list of values in SQL Server How could something similar be done in Oracle? I've seen the other answers on this …

Oct 25, 2011 · I want to perform a LEFT JOIN between these two SELECT statements on [UserID] attribute and [TailUser] attribute. I want to join existent records in second query with the …

May 12, 2011 · An application can perform actions such as acquiring locks to protect the transaction isolation level of SELECT statements This is a good use case for that since the OP …