Cam to cam without registration - Sql trigger for updating one table from another
A: This usually means that the database folder does not have sufficient permissions for writing by the web user.
This can happen if you create the SQL folder new, rather than copying it from the Exercise Files.
I created all the Columns and moved the existing data from the Accommodation-Bookings to the Customer Table.
Now I got left with this Requirement to autoupdate fields between the two remaining Tables 'Customer' and 'Rooms'.
and make too many mistakes So the Application-Side of things got changed that way that all of the Form Fields from the Bookings-Form got moved to the Customer-Form.
Too many missing and double Records in the Bookings and no Overview which Customer is actually staying in which room as the reason behind it ...
Honestly, triggers are something you really don't need (aside from auditing) all that often if the system is properly normalized. Read the article at Practices/61537/ for best practices on asking questions. The relationship between Customer and rooms like you are doing should use at a minimum three tables. it is not reservations that are made, people arrive and get a room (so every room has 1-3 Customers at a time) for a few days and we keep a Record of it (so far on the third table) ...
_______________________________________________________________Need help? Customer Rooms Reservations I agree with you and this is what we had ... when they check out the room is free and can be given to anyone else who arrives that day. He might decide to move to a different room whilst his stay, but then the Record would just have to be changed.
I found a solution that is working on Database-side using Triggers actually ...
I created a Check In Date and CU_ID Column on the Rooms Table to have Comparison-Fields between the two tables.
Here's a better explanation: The table I want to create the trigger on is called OK, Here's my update based on your newly added info.
The merge statement in the trigger will insure that newly added records will be inserted into hydrants.
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