By Doug Gault
Starting Oracle program show four introduces essentially the most talked-about improvement structures to come back out of Oracle company in years. Oracle program show, referred to as APEX for brief, allows quick and simple improvement of web-based purposes that make complete use of Oracle Database. the discharge of APEX four brings a big step forward by way of performance and value for either the developer and the tip consumer. strength clients and programmers alike can speedy prepare powerful and scalable functions to be used by means of one individual, through a division, by means of a complete corporation.
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Extra info for Beginning Oracle Application Express 4
Sample text
Examine the other mappings to make sure that APEX made the correct selections. 10. When you’re sure all the mappings are correct, click the Load Data button to load the data into the USERS table. After the data is loaded, you’ll be presented the Spreadsheet Repository screen in Figure 4–15. That screen shows you that 20 rows were loaded into the database and zero errors occurred during loading. Figure 4–15. Data has now been loaded into the users table If you navigate to the Object Browser, select your TICKETS table, and look at the data in that table, you can see that the records that were in your spreadsheet have now been loaded into the database.
How Do You Fix Things? With the information you’ve gathered so far, you can now define some loose requirements and break them down by user type so you can have a much clearer understanding of what each community needs. Then, from those requirements, you can begin to think about the database design that you’ll need to create in support of them. Defining the Requirements You can look at requirements from two perspectives. End users will have one set of requirements and technicians another. Some requirements will overlap between the two groups.
If you follow the described process with your brief requirement specification, the nouns USER and TICKET jump out as being the two main things that you want to track. It’s tempting to split users down into two different sets, technicians and end users, but in fact the type of user is merely an attribute of a the user itself. An object that is a little harder to identify is that of the TICKET DETAILS. It is completely valid to think that this would merely be an attribute of a TICKET; however, the clue comes in the fact that you can’t concretely identify how many DETAIL entries there will be for any given TICKET.