SERVICE_ID PROPERTY_ID CATEGORY_NUMBER OFFICE_ID DESCRIPTION STATUS EST_HOURS SPENT_HOURS NEXT_SERVICE_DATE 1 11 2 2 The second bedroom upstairs is not heating up at night. Problem has been confirmed. central heating engineer has been scheduled. 2 1 2019-11-01 2 1 4 1 A new strip light is needed for the kitchen. Scheduled 1 0 2019-10-02 3 6 5 1 The bathroom door does not close properly. Service rep has confirmed issue. Scheduled to be refitted. 3 1 2019-11-09 4 2 4 1 New outlet has been requested for the first upstairs bedroom. (There is currently no outlet). Scheduled 1 0 2019-10-02 5 8 3 2 New paint job requested for the common area (lounge). Open 10 0 NULL 6 4 1 1 Shower is dripping when not in use. Problem confirmed. Plumber has been scheduled. 4 2 2019-10-07 7 2 2 1 Heating unit in the entrance smells like it’s burning. Service rep confirmed the issue to be dust in the heating unit. To be cleaned. 1 0 2019-10-09 8 9 1 2 Kitchen sink does not drain properly. Problem confirmed. Plumber scheduled. 6 2 2019-11-12 9 12 6 2 New sofa requested. Open 2 0 NULL StayWell’s finance department wants to calculate the number of spent hours on each category of services. They require this data to calculate the payments to each service team. You need to collect this information from all the service requests in the database. Output two columns, the category number as CATEGORY_NUMBER, and the spent hours as HOURS_SPENT. Calculate the number of hours spent on each category of services. Expected Results CATEGORY_NUMBER HOURS_SPENT 2 1 4 0 5 1 3 0 1 4 6 0 I need the SQL Command

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Procedures in SQL

A pre-compiled stored procedure is a logical unit made up of one/more SQL statements (SQL stands for Structured Query Language). The database server saves it as an object. An SQL procedure is a collection of SQL statements and logic that is written and saved to accomplish a specified goal. An SQL procedure consists of a name, a parameter list, and a set of Transact-SQL statements. Stored procedures are stored as named objects in SQL Database Server.