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Advanced SQL

Advanced SQL
How many tables may be included with a join?

One
Two
All of these
Three

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Advanced SQL
A CASE SQL statement is which of the following?

A way to establish a loop in SQL.
All of these
A way to establish a data definition in SQL.
A way to establish an IF-THEN-ELSE in SQL.

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Advanced SQL
ROLLBACK WORK asks SQL to empty the log file.

True
False

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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

Equi-join
Outer join
Cartesian join
Natural join

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

False
True

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Advanced SQL
With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.

True
False

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