Question
Database Administration In a sequence what is the difference between NEXTVAL and CURRVAL? How is CURRVAL used, and what is its purpose? What exceptions should
Database Administration
In a sequence what is the difference between NEXTVAL and CURRVAL? How is CURRVAL used, and what is its purpose?
What exceptions should be trapped for an Update procedure?
Oracle also supports a MERGE command. What does this do, and how is it different from this week's Insert/Update procedure?
What is the purpose of an INSTEAD OF trigger?
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Performing With Computer Applications Personal Information Manager Word Processing Desktop Publishing Spreadsheets Databases Presentations Assessment Manager
Authors: Iris Blanc
3rd Edition
141886515X, 978-1418865153
