What is sqlca in powerbuilder?
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What is a join?Explain the different types of joins?
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What is normalization ?
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type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...
How do I find duplicates in two columns?
What is a primary key, and how is it different from a unique key?
How does sql profiler work?
What is denormalization in a database?
what is try_catch block in procedure
What are different types of triggers?
What is an Integrity Constraint?
Difference between aggregate function and analytical function?
What are the three pl sql block types?
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