Blog

 Which one of the following parts is NOT optional in SQL? 

 What’s the value of CustomerOrderTotal in the first row of the result table? 

 Which is correct in MySQL to express the price ranges between 100 and 200? (Note. Price is Numeric type) 

Given the tableCUSTOMER(CustID, Name, PhoneNum, AcctBalance)what is the standard SQL query phrase to retrieve the Name and Phone Number of customers?

In the normalization process, if you find a candidate key that is not a primary key, then you have determined that the relation needs to be broken into two or more other relations.

In the normalization process, it is not necessary to ________.

In the normalization process, if you find that every determinant in a relation is a candidate key, then you have determined that the relation is well formed.

  Expansionary monetary policy usually has real expansionary short-run effects. As prices adjust, typically the long-run real impact of expansionary monetary policy is  

  Output increases when nations produce goods and services for which they have the __________ and can trade for other goods and services they want to consume.  

  Typically, if real wages fall, the quantity demanded of labor rises. If workers agree to 3% wage increases for a four-year period and inflation is more than 3%, then, based on this information alone,