What is meant by joins? List out the types of joins.
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What are the execution control statements?
What is tns entry?
How to drop an index in oracle?
you are sorting a table using "order by"(descending) clause of a column which contains a null value...whether that row containing null value will come first or last in the output??
when i run my query on yesterday it is fast but today it is slow why?
What is a relational database management system?
Why is oracle database so popular?
a query to select maxmun 3 salaries of employee table
What is control file used for?
Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.
The join defined by the default data link is an outer join yes or no ?
What is Normalization ?
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