Search results for: "SELECT COUNT()"

What is the difference between using COUNT(typeid) and COUNT(*) in a SQL query in PHP?

When using COUNT(typeid), the query will only count the rows where the typeid column is not null. On the other hand, using COUNT(*) will count all row...

How can count() and mysql_num_rows() functions be utilized in PHP to count MySQL data?

To count MySQL data in PHP, you can use the count() function to count the number of elements in an array returned by a MySQL query, or you can use the...

What function can be used to count the number of rows in a MySQL result set in PHP?

To count the number of rows in a MySQL result set in PHP, you can use the `mysqli_num_rows()` function. This function returns the number of rows in th...

What SQL statement can be used in PHP to count the occurrences of a specific value in a database table?

To count the occurrences of a specific value in a database table using SQL in PHP, you can use the following SQL statement: ```sql SELECT COUNT(*) FR...

What is the difference between using COUNT(*) and COUNT(column) in a MySQL query for counting posts in PHP?

When counting posts in a MySQL query in PHP, using COUNT(*) will count all rows in a table regardless of null values in the specified column, while us...