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What are the query optimization techniques?

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Difference between truncate, delete and drop commands?

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what are the demerits of sql?

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How do I truncate a sql log file?

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How do you declare a variable in pl sql?

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How delete all records from table in sql?

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what is an extent ? : Sql dba

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What is the trigger in sql?

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table :- city name country code abc 11 bcd 22 cde 232 def 33 write a procedure , so that when we give a phone no. eg - 1123456789 - o/p sud be city name = abc if phone no. - 2322345897 , o/p sud be =cde note - bcd and cde city name sud be diff. as dey diff only with th last no. Pls ans. this questnion.

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Can we call a function containing dml statements in a select query?

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Why are cursors used?

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how to get a list of all tables in a database? : Sql dba

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