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How would you go about increasing the buffer cache hit ratio? 0. Explain the difference between a hot backup and a cold backup and the benefits associated with each 1. You have just had to restore from backup and do not have any control files. How would you go about bringing up this database? 2. How do you switch from an init.ora file to a spfile? 3. Explain the difference between a data block, an extent and a segment. 4. Give two examples of how you might determine the structure of the table DEPT. 5. Where would you look for errors from the database engine? 6. Compare and contrast TRUNCATE and DELETE for a table. 7. Give the reasoning behind using an index. 8. Give the two types of tables involved in producing a star schema and the type of data they hold. 9. What type of index should you use on a fact table? 10. Give two examples of referential integrity constraints. 11. A table is classified as a parent table and you want to drop and re-create it. How would you do this without affecting the children tables? 12. Explain the difference between ARCHIVELOG mode and NOARCHIVELOG mode and the benefits and disadvantages to each. 13. What command would you use to create a backup control file? 14. Give the stages of instance startup to a usable state where normal users may access it. 15. What column differentiates the V$ views to the GV$ views and how? 16. How would you go about generating an EXPLAIN plan?
2 6058mazimum size of a database in mysql? when we create a table then how many tables actually created? write there name?
1 4150I have kept recovery catalog on same target database and taken backup of target DB to disk. deleted the target DB & tried to restore and revoer DB using the backup on disk but it is not possible, how do we restore & recover DB
1 2008what is mean by prmary key and foreign key and how can we diffrentiate that? Please answer me. Advance thanks.
9 17987
Why use identity in sql server?
Does view occupy space?
What are the kinds of subquery?
What is the difference between case version and decode version?
Equi join and non equi join is possible with sql server?
How to convert numeric expression data types using the cast() function?
What kind of problems occurs if we do not implement proper locking strategy?
Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in
How to start an oracle instance?
How to connect php with different port numbers?
explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration
How do I find the sql server version?
Does any body has ORACLE Certification Dumps or Materials on 9i DBA, 10G DBA, Internet Application Developer, OCP 8i to 10g DBA Upgrade, Oracle 11i if any body have it, please kindly drop an email to: taruni_2k8@yahoo.com
If any stored procedure is encrypted, then can we see its definition in activity monitor?
What is a coalesce function?
