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Categories >> Software >> Databases >> SQL PLSQL
 
 


 

 
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Question
please explain database architecture..
 Question Submitted By :: Neelima.gg
I also faced this Question!!     Rank Answer Posted By  
 
  Re: please explain database architecture..
Answer
# 1
hi,
basic oracle architecture is devided in 3 stages
1. storage structure
1. physical storage
a. data file
b. control file etc..
2.logical storage
a. tablespace
b. extents etc..
2. memory structure
a. SGA
b. PGA
2. process structure
1. mandatory process
a. SMON
b. PMON etc
2. optional process

and much more
 
Is This Answer Correct ?    7 Yes 0 No
Rahul Khanke
 

 
 
 
Other SQL PLSQL Interview Questions
 
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What is Primary Key? Ramco 4
What is normalization and types of normalization? Microsoft 22
diff b/w sub query and co-relater query? iFlex 3
How to retrieve Duplicate Rows only in a Table? Suppose if a Table Name is "Education". It consists of multiple columns. Then if we insert rows into this table with duplicate records then how can we retrieve only duplicate records from that table? Wipro 26
i have xml source. xml source having lacks of records. i want extract/retrive xml source data using sql query. please tell me how to write query. tcs 3
how can i create a user defined datatype   3
counting the no.of characters occurs in a string by using pl/sql function TCS 1
i need department wise top 2 employees salary.which logic i will use   16
using subquery how can i calculate working days in a month? Spice-Telecom 2
Q1.all the depts which has more then 10 empls? Q2.all the dept which does not have any emply? Q3 all the emp which does not have any dept? Q4 get all the emply detais with the dept details it dept is exit otherwise any emp details? Q5 how to debugg the dynamic sql and packages?   2
Write a query to get last 10 records from the table. iNautix 7
Does it possible to pass object (or) table as an argument to a remote procedure? TCS 1
 
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