What will the result of the following query be?SELECT SUM(SALES) FROM CONTACTS WHERE STATE <> "TN" 1300 Rows 1 to 3 will be outputted ERROR 1550

To analyze the query provided, let's break down the elements involved:

1. Understanding the Query: The SQL query is trying to calculate the total sales by using the SUM function on the SALES column from the CONTACTS table, with a condition that the state is not equal to "TN".

2. Query Structure:

   • SELECT SUM(SALES): This is an aggregate function that adds up all the values in the SALES column.
   • FROM CONTACTS: This specifies the table from which the data will be retrieved.
   • WHERE STATE <> "TN": This condition filters out any rows where the STATE is "TN".

3. Expected Output: The output should be the total sales for all contacts whose STATE is not "TN". If there are 1300 rows in total, this means there could be rows from various states, but those in Tennessee will be excluded from the sum.

4. Error Reference: The mention of "ERROR 1550" could indicate a specific error related to the query execution. In many SQL databases, this error relates to incorrect column names or data type mismatches.

Final Summary

The expected result of the query will be the summed total of the SALES values for all states other than "TN". If no rows are returned, the result will be NULL. If there’s an error (like ERROR 1550), it indicates an issue with the query execution, potentially due to column names, data types, or database constraints. Always check the column names and ensure that they align with the database schema to resolve such errors.