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( left[begin{array}{lll}I & 0 & 0 A & I & 0 B & D & Iend{array} ight] ) is ( left[begin{array}{ccc}I & 0
\\( \\left[\\begin{array}{lll}I & 0 & 0 \\\\ A & I & 0 \\\\ B & D & I\\end{array}\ ight] \\) is \\( \\left[\\begin{array}{ccc}I & 0 & 0 \\\\ P & I & 0 \\\\ Q & R & I\\end{array}\ ight] \\)
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Understanding Databases Concepts And Practice
Authors: Suzanne W Dietrich
1st Edition
1119827949, 9781119827948
