When do we use group by clause in a sql query?
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What are the data types in oracle?
What are the restrictions in a oracle read only transaction?
2. Display the post code and the total number of purchase orders placed with creditors in that post code.
What are triggers in oracle?
Can we create more than one constraint to column ?
What is analyze command used for?
How to connect to oracle using service name instead of sid?
What are the different types of record groups in oracle? Explain each of them
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what are the differen between key flexifild and discriptive fiexifild.
why should i declare foreign key constraint as self relation instead of binary relation in tables ?
What suggestions do you have to reduce the network traffic?