Top Oracle AllOther Interview Questions :: ALLInterview.com http://www.allinterview.com Top Oracle AllOther Interview Questions en-us what is the difference between TRUNCATE and DELETE command in SQL http://www.allinterview.com/showanswers/3737.html Truncate command cannot be rolled back while Delete can be Explain the difference between a FUNCTION, PROCEDURE and PACKAGE. http://www.allinterview.com/showanswers/6976.html PROCEDURE: cannot return a value SYNTAX: CREATE PROCEDURE procedure_name [argument datatype] AS BEGIN sql statements END; / FUNCTION: returns a value SYNTAX: CREATE FUNCTION function_name [argument[IN] datatype] RETURN dat what is the difference between oracle 81,91,11i http://www.allinterview.com/showanswers/1361.html i did not get the answer What is the Symbol use for Inner Join http://www.allinterview.com/showanswers/3666.html The inner join is same as equi join, in which '=' sign is used. Can We Restore a Table that accidantly dropped. http://www.allinterview.com/showanswers/28742.html yes u can restore a table when it is dropped using follwing command Flashback Table Tablename to before drop Try this What is the difference between a TEMPORARY tablespace and a PERMANEN http://www.allinterview.com/showanswers/6988.html 1.Temporary tablespace is locally managed tablespace Permanent tablespace is dictionary managed tablespace 2. when an extent is allocated or freed for reuse changes occurs in tables.In case of Temporary tablespace changes happen in bitmaps but What does coalescing a tablespace do? http://www.allinterview.com/showanswers/6987.html A free extent in a dictionary-managed tablespace is made up of a collection of contiguous free blocks. When allocating new extents to a tablespace segment, the database uses the free extent closest in size to the required extent. In some ca What is index? How many types of indexes? http://www.allinterview.com/showanswers/35479.html Index is a performance tuning method of allowing faster retrieval of records. Oracle indexing is a standing B-Tree indexing for fast retrieval. Syntax: CREATE INDEX EmpInfo ON Employee(EmpID,Emp_Name) we have two types indexes 1. Cluster HOW SHALL WE DIFFERENTIATE BETWEEN PRIMARY KEY AND FORIEGN KEY? http://www.allinterview.com/showanswers/3738.html primary key A column (or columns) in a table that makes the row in the table distinguishable from every other row in the same table. foreign key A column (or columns) in a table that draws its values from a primary or unique key column in How do you use trigger to create mutating state of table http://www.allinterview.com/showanswers/3668.html Mutating state means changing or processing state, so when you performed some manipulating operations from trigger or write trigger for insert/update or delete on table it will create mutating state of table. When the procedures or packagess become invalidate http://www.allinterview.com/showanswers/3669.html most of the packages or procedure become invalid after a upgrade.example when u upgrade the server and database from 8i to 9i.So beore upgrading its neccesary to make a list of already invalid procedures and packages, so that wont have probl what is sql*loader parameters and where we will use it. http://www.allinterview.com/showanswers/32535.html sql*loader is a bulk importing tool to import data tables present in various formats like CSV. We have to define a control file and in it we have to give some commands. LOAD DATA INFILE *(this assumes data is in the same ctl file) INTO TABLE T What is database schema? http://www.allinterview.com/showanswers/20872.html Schema is where all the user objects are logically grouped. usage of Schema and user are interchangeble Schema is an user schema is for users Cheers, Ramesh What command would you use to encrypt a PL/SQL application? http://www.allinterview.com/showanswers/6975.html using WRAP utility How can you enable a trace for a session? http://www.allinterview.com/showanswers/6999.html to enable trace: alter session set sql_trace=TRUE to disable trace: alter session set sql_trace=FALSE