Search results for: "select *"

Why is it recommended to always specify the columns in the SELECT statement rather than using SELECT * in PHP?

Specifying the columns in the SELECT statement is recommended over using SELECT * in PHP because it provides better performance and readability. When...

What are the differences between using "SELECT MAX()" and "SELECT * ORDER BY ... DESC LIMIT 0,1" to retrieve the highest value in PHP?

When retrieving the highest value in PHP, using "SELECT MAX()" is more efficient and straightforward compared to using "SELECT * ORDER BY ... DESC LIM...

Why is it recommended to specify all columns in the SELECT statement rather than using SELECT * in PHP?

Specifying all columns in the SELECT statement is recommended over using SELECT * in PHP because it provides better control over the data being retrie...

How can the first entry in a select field be set to "--Please Select--" to prevent issues with the onchange handler in PHP?

When the first entry in a select field is set to "--Please Select--", it can prevent issues with the onchange handler in PHP by ensuring that a defaul...

Is it necessary to execute the SELECT statement to query the database for data every time a <SELECT> element is used in HTML?

When using a <SELECT> element in HTML, it is not necessary to execute a SELECT statement every time the element is used. Instead, you can retrieve the...