DD Class10
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Contents
Create a new user account
Transactions
Whenever you are making changes (insert/update/delete) two more than one table or the results of a select statement are used to update another table you need to use a tracation.
Locks
Commit
Rollback
Stored Procedures
Fourth Normal Form
Fourth Normal Form
- separates independent multi-valued facts stored in one table into separate tables.
Fifth Normal Form
Fifth Normal Form
- breaks out data redundancy that is not covered by any of the previous normal forms.
