What is meant by joins?
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What is raw datatype?
How do we represent comments in oracle?
How to drop an index?
I know that i can create a table without a primary key.But is there any significance for that table???? while creating an application.
What is coalesce function?
how to truncate date and get only time part 9:20:00
How to remove a row in a database table?
State the difference between a primary key and foreign key?
Give SQL Query to find the number words in a sentence ? ex: 'ram charan singh' then ans:3 Answer:select length(trim('ram charan singh')) - length (replace (trim ( 'ram charan singh'),' ','')) +1 from dual The above query working properly when space between the words is only one &similar But ,If the space between the words is nonuniform. Ex:'ram charan singh is good' ans:5 i am not getting this answer using above query.
How to shutdown your 10g xe server from command line?
What is oracle rowcount?
what is a Nested Loop join?