The number of records or rows in a table using MySQL can be got by using the COUNT statement.
Explanation:
- To counts all of the rows in a table, whether they contain NULL values or not, use COUNT
- That form of the COUNT() function basically returns the number of rows in a result set returned by a SELECT statement
- The SQL COUNT() function returns the number of rows in a table satisfying the criteria specified in the WHERE clause.
- It sets the number of rows or non NULL column values.
- COUNT() returns 0 if there were no matching rows.
- The SQL COUNT function is an aggregate function that returns the number of rows returned by a query. You can use the COUNT function in the SELECT statement to get the number of employees, the number of employees in each department, the number of employees who hold a specific job, etc.
Answer:
Once you have a data source connected to your document, adding merge fields is a way to personalize a document with information from the data source.
Answer:
101110010 is 370 in decimal (base 10, what we usually do math in) and 111001101 is 461 in decimal. The sum of 370 and 461 is 831, and 831 is binary is 1100111111. So, if you want the answer in decimal it is
and if you want the answer in binary, it is
.