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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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: