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  • How does oracle avoid dead lock when I create an index on the foreign key column?

    How does oracle avoid dead lock when we create an idex on the foreign Key column ? Found many experts say this, but i never really found what is the logic behind this. So any replies provided are appreciated . thanks in advance gangadhar

    Gangadhar2610 pointsBadges:
  • SQL Server: Index and Key

    What is the difference between a key and an index? Whe I issue a SELECT statement, and the table has an index, do I still have to use my key?

    bogeybetsy560 pointsBadges:
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