What is pl/sql table? Why it is used?
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Why cannot I use bind variables in ddl/scl statements in dynamic sql?
Why does %isopen return false for an implicit cursor?
Types of backups ?
What is clustered, non-clustured and unique index. How many indexes can be created on a table ?
How do you select unique values in sql?
What is the difference between function and procedure in pl/sql?
What is error ora-01000: maximum open cursors exceeded
Can delete statement be rollbacked?
Difference between SUBSTR and INSTR?
What is a self join ?
How collections are improve the performance?
What is the difference between RDBMS and DBMS?
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