Can a parameter be passed to a cursor?
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How to define a procedure inside another procedure?
"primary key=unique+null" is equal,reson?not,reason?
What is oracle rowcount?
How data locks are respected in oracle?
What are the numeric comparison operations?
1.What is inline function in oracle and its purpose? 2.What is the equivalent operator for "different from pattern" in oracle? 3. If you define a variable in oracle, how it will be available? [a. Until database shut down b. Until table deleted c. until session get expired]
Do you know about aggregate functions? What is row num function? Can it be used all databases?
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Q1:code to connect to sql server(database) through jdbc application. Q2:code to connect to Mysql(database) through jdbc application. Q3:code to connect to oracle(database) through jdbc application.
what is the difference between authorization and authentication?
Can a primary key contain more than one columns?
What is the difference between alert log file and trace file ?
What the is the diff between local index and global index. give some example.