What is database schema in dbms?
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What is the use of drop command?
What is the use of CONSTRAINTS option in EXP command ?
Explain data independence?
What do you understand by e-r model?
What are the different types of database?
write a query to retrieve the last day of next month in oracle.
Enlist some commands of ddl, dml, and dcl.
Give the cobol definition of a varchar field 177 when can an insert of a new primary key value threaten referential integrity?
What is data model and types?
What are the types of database lock?
When we will denormalize data?
What is the diff bet plan,package,dbrm?
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