Explain about the hierarchical model of the database?
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You have a table with three columns: amount1, amount2, and amount3 in a single row only one of these three columns will have a value and the other two will be null. Write a sql query to retrieve the values from these columns?
What are the types of database model?
hi in which phase of mload can i use .FILLER
How long can an error message be in raiseerror function?
Explain the family trees and connection by clause.
I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS
Explain about relational operator join?
What is an extended stored procedure?
What are cursors? Explain different types of cursors?
What are triggers? How many triggers you can have on a table?
what is Normalization?
Explain what a database is?
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