Which is the correct statement about truncate and delete?
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What is the use of nvl function?
How is debugging done?
use of IN/ANY/ALL
Explain isolation levels. : Transact sql
what is the purpose of update command in oracle?
How toimport .dmp file in lower version of oracle from higher version ?
Types of optimization?
How to improve the performance of a pl/sq stored procedures or functions or triggers and packages ?
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What is the life of an sql statement?
What is native sql query?
What are sql commands?
have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.
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