Question: 1. What is returned from a table when using the following SOL'Select * from tableName' 2. What does giving a field an alias look like?
1. What is returned from a table when using the following SOL'Select * from tableName' 2. What does giving a field an alias look like? Give an example 3. When reading data from a database, you can make a "computed column",give an example where this would be used 4. What are the rules of precedence? (remember your algebra), why are they important? 5. Why is it important to store data in a database as the type of data it is? 6. What SQL clause is used to list all unique values? 7. What is the preferred choice of join? Why? (three types, Join On, Join Using, Natural Join) 8. Give 3 reasons you may want to alias a table name in a query? 9. When is it required to give a table name an alias? Focus
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