Examine these commands:
What is the expected result?
A. It fails because EMP.DAT has some records with more than three characters corresponding to U1.EMP.ENAME.
B. Only the first row in EMP.DAT is inserted into U1.EMP.
C. Only the first and fourth rows in EMP.DAT are inserted into U1.EMP.
D. All rows in EMP.DAT are inserted into U1.EMP but ENAME is set to ### for the second and third rows.
E. All rows in EMP.DAT are inserted into U1.EMP but ENAME is set to NULL for the second and third rows.
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B