How to declare a local variable?
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how to create a new database in oracle?
What are the values that can be specified for OPTIMIZER_GOAL parameter of the ALTER SESSION Command ?
What is literal?
What is an oracle user account?
What are the execution control statements?
Find all employees in Dept “Marketing”.
How to enter a new row into a table interactively?
How many memory layers are in the shared pool?
What are the differences between char and varchar2 in oracle?
What is the recommended interval at which to run statspack snapshots, and why?
what is main def between plsql/table and array?
1. Display the post code and the purchase order number for each purchase order. Sort the output set by postcode.