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Advanced SQL

Advanced SQL
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.

True
False

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Advanced SQL
The code to create triggers and routines is stored in only one location and is administered centrally.

True
False

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Advanced SQL
Which of the following statements is true concerning routines and triggers?

Both are stored in the database.
Both run automatically.
Both have to be called to operate.
Both consist of procedural code.

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Advanced SQL
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

Cartesian join
Equi-join
Natural join
Outer join

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Advanced SQL
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 ;

Equi-join
Outer join
Cartesian join
Natural join

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Advanced SQL
The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join.

True
False

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