Difference between varchar and varchar2 data types?
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Explain the difference between replace() and translate() functions in oracle?
write a query to count number of alphabets in given string for example "APPLE" write a query to generate sequence from 50 to 100 write a query to display in single string "ABCD,EFGH,IJKL,PQRS"
There is a big table with "n" of rows and 40 + columns .It doesn't have primary key.How do you select the primary key. In other words how do you get the duplicate records.
How to filter out duplications in the returning rows using oracle?
How do I recompile a procedure in oracle?
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How to use "if" statements on multiple conditions?
i want to know about mr.b.kotravel......who has answered for second maxmium salary from employee table
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
What are joins..how many types of joins are there?
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What is SQL Tuning Advisor in Oracle?
What are group functions in oracle?