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TOPIC
• WHAT IS THE INDEX OF DATABASE SYSTEM• CLUSTERED INDEX VS. NONCLUSTERED INDEX• THE STATISTICS OF INDEX• THE COVERAGE IDNEX• WHAT IS INDEX FRAGMENTATION• CREATE THE RIGHT INDEX
CLUSTERED INDEX VS. NONCLUSTERED INDEXCLUSTERED INDEX NONCLUSTERED INDEX
CL01 Taipei Ken
WHERE Country=‘Taipei’
Got it CL Key value CL01
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ANYTHING IS A DOUBLE-EDGED SWORDRECORD
INDEX-01
Page-01
INDEX-02 RECORD001PG01-RECORD001 PG01-RECORD001
RECORD002PG01-RECORD002 PG01-RECORD002