Correct Answer: The field is not null
Explanation:
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What technique can be used to reduce the number of calculations in a query?
Given the following statements: CREATE TABLE T1 (COL1 INT NOT NULL PRIMARY KEY, COL2 CHAR, COL3 CLOB (40K), COL4 VARCHAR(10)); CREATE UNIQUE INDEX IND_1 ON T1 (COL1, COL2) INCLUDE (COL3) ALLOW REVERSE SCANS; The CREATE UNIQUE INDEX statement will fail because:
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