What is use of trigger?
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Can we rollback delete command?
How do I copy a table in sql?
Define tables and fields in a database
Does indexing improve query performance?
Should I use mbr or gpt?
What is sharding in sql?
How do you assign Construct the where clause without concatenating Field,value pairs?
Does varchar need length?
What jobs use sql?
How do u count no of rows in a table?
How can we debug in PL/SQL?
check whether all the emp numbers are indeed unique.