Search results for: "delete commands"

In PHP, what are the advantages and disadvantages of using DELETE and INSERT commands versus UPDATE commands for database operations involving Excel data?

When working with Excel data in a database using PHP, it is important to consider whether to use DELETE and INSERT commands or UPDATE commands for dat...

What are the potential security risks of using shell commands in PHP to delete folders?

Using shell commands in PHP to delete folders can pose security risks such as command injection vulnerabilities if user input is not properly sanitize...

Are there any potential pitfalls to be aware of when using MySQL delete commands in PHP?

One potential pitfall when using MySQL delete commands in PHP is the risk of accidentally deleting more data than intended if the query is not properl...

Is there a WHERE-NOT condition in MySQL delete commands in PHP?

There is no WHERE-NOT condition in MySQL delete commands in PHP. However, you can achieve the same result by using the NOT IN clause in the WHERE cond...

What is the best way to automatically delete outdated files in a server folder using PHP without shell commands?

The best way to automatically delete outdated files in a server folder using PHP without shell commands is to iterate through the files in the folder,...