What is the Structural difference between bitmap and b-tree index ?
No Answer is Posted For this Question
Be the First to Post Answer
What file is read by ODBC to load drivers ?
What are the features of database language?
What is domain in dbms?
What is the use of INDEXES option in EXP command ?
What is tuple with example?
If I delete a table and then rollback it, do the index on the table remains? What if I drop the table and roll back?Do index on the table remains? What if I truncate the table and roll back? Do the index on the table remains
How to drop all foreign keys in database?
What are the limitations of using a model?
What are the objectives of rdbms?
What is the use of SHOW option in IMP command ?
What do you mean by aggregate and scalar functions in dbms?
Let?s say you have 100,000 records and you want to delete 95,000 at a time and keep only 5 thousand. But in local memory you don?t have enough space for 95,000 records. What do you do in this case? How do you delete without any problem with time and performance?