What is a self join? Explain it with an example?
Answer Posted / mangi
answer 1 is wrong
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What is the database development process?
There is a trigger defined for INSERT operations on a table, in an OLTP system. The trigger is written to instantiate a COM object and pass the newly insterted rows to it for some custom processing. What do you think of this implementation? Can this be implemented better?
How to customize error conditions.
How is data stored in dbms?
The count() function always returns a int value type what should you do if you need to count rows from a query which you know will return a value that is too large for an int value type?
Explain about post-relational databases?
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?
If a column is an image value type, how you can compare column values? How can you use this column in join 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 database management systems?
On friday, you issued several insert statements using query analyzer. You then verified the data had been correctly entered with a select statement on monday, your users report that the data is not there what happened?
Explain about xml databases?
What are the main phases of database development?
What is DB Development software?
How to combine two function together?