Search results for: "table alterations"

What are the potential advantages and disadvantages of using a SELECT query with mysql_num_rows versus a COUNT query in MySQL when trying to retrieve the number of records?

When trying to retrieve the number of records in a MySQL database, using a COUNT query is generally more efficient and faster than using a SELECT quer...

Are there any recommended resources or manuals for learning more about implementing user permissions and rights management in PHP/MySQL databases?

User permissions and rights management in PHP/MySQL databases involve controlling access to certain resources or functionalities based on the roles or...

What are some best practices for handling language or content preferences based on user location in PHP?

When handling language or content preferences based on user location in PHP, it's important to use a combination of user IP detection and language map...

Is it recommended to store progress information in a database during file import in PHP, and if so, how can it be retrieved via AJAX?

When importing large files in PHP, it is recommended to store progress information in a database to track the status of the import process. This allow...

What are the benefits of using explicit column names in SQL queries rather than selecting all fields with "*"?

Using explicit column names in SQL queries rather than selecting all fields with "*" offers several benefits. 1. Improved query performance: When yo...