Answer the following statements true (T) or false (F)
1) A user-defined exception is declared with a PRAGMA EXCEPTION_INIT
directive.
2) The RAISE statement is used to raise a predefined Oracle server exception.
3) A cursor is based on a SELECT query, which is executed when the cursor is opened.
4) A record used in cursor FOR loop, must be declared in the DECLARE section.
5) A cursor FOR loop is opened, fetched from and closed automatically.
1) F
2) F
3) T
4) F
5) T
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Which process is used to prevent data inference violations?
A. Database Views B. Database Locks C. Polyinstantiation D. OLTP ACID Test
Assuming that arr is an array identifier, the statement sum += *arr;
A) is illegal in C++. B) will always result in a compiler error. C) adds the value stored in arr[0] to sum. D) adds the address of the pointer arr to sum. E) None of the above