Explain integrity constraints?
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you are a universe designer and report developer in BO, what type of information you gather from client?Briefly explain plz
What is the difference between Delete, Truncate and Drop in Oracle?
Can we connect to ORACLE db using Windows Authentication?
What is a tns file?
How to end the current transaction in oracle?
What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?
How to loop through data rows in the implicit cursor?
What are the major difference between truncate and delete?
What are the ansi data types supported in oracle?
Can we convert a date to char in oracle and if so, what would be the syntax?
how the Oracle Prepares the Execution Plan and how it chooses the Optimal one?
Is oracle an open source?