1. what will happen when .mdf and .ldf file of any database is deleted ? 2. what will happen when only .ldf file of any database is deleted ? 3. how I can see the contain of any log file? 4. what are the daily task of any SQL server DBA? 5. I have two database one at offshore and 2nd is at onsite. How I can synch these two database using internet? 6. what is replication ? purpose of replication? how you will synch the replic database with the original database? 7. what is the o/p of following queries select * from table where 1=2 select * from table where 1=1 8. I have one table as follow col1 col2 ----- ----------- A 10 A 15 B 15 B 5 C 25 D 2 I want a query for the record those have the aggregates greater than 20 9. max size of pages in SQL server.