What type of join is needed when you wish to include rows that do not have matching values?
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What type of join is needed when you wish to return rows that do have matching values?
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Which of the following is true concerning a procedure?
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A CASE SQL statement is which of the following?
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Which of the following statements is true concerning routines and triggers?
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Which of the following is one of the basic approaches for joining tables?
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Which of the following is true concerning systems information in an RDBMS?
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The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID
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Embedded SQL is which of the following?
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A UNION query is which of the following?
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Which of the following statements is true concerning subqueries?
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Which of the following is a correlated subquery?
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How many tables may be included with a join?
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The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ;
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Which of the following is true concerning triggers?
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Triggers are stored blocks of code that have to be called in order to operate.
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The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
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There should be one condition within the WHERE clause for each pair of tables being joined.
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Subqueries can be nested multiple times.
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The code to create triggers and routines is stored in only one location and is administered centrally.
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