What is a unique key constraint?
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One table Test with single column. These are the values in the table a b c d e f g h I need a query (without using any variable) with output as - a b c d e f g h
PC(code, model, speed, ram, hd, cd, price) Find the hard drive sizes that are equal among two or more PCs.
If any possiable to use 2 primary key in single table? How many primary key & foreign key used in each table(min & max)?
Which virtual table does a trigger use?
What is policy based management (pbm)? : sql server database administration
How do you create type- insensitive operator?
Where is trigger in sql server?
What are user defined datatypes and when you should go for them?
Explain database normalization?
which database is best to use in oracle and sql server? explain reasons?
What is transaction server distributed transaction?
While using a cursor, how can you differentiate between a deleted row and a row that has been inserted with null data values?
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