How can you view the errors encountered in a trigger?
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What is a sql profiler?
Why do we use %rowtype & %type in plsql?
What is an index? What are the types of indexes? How many clustered indexes can be created on a table?
How can we optimize a sql query?
What is a common use of group by in sql?
define a variable representing the expression used to calculate on emps total annual remuneration.use the variable in a statement which finds all emps who can earn 30000 a year or more.
Which are the different case manipulation functions in sql?
Where is pl sql used?
What is the Subquery?
Why functions are used in sql?
What are the operators in sql?
Is primary key is clustered index?