Answer / daman

We will migrate a row when an update to that row would cause
it to not fit on the block anymore (with all of the other
data that exists there currently). A migration means that
the entire row will move and we just leave behind the
«forwarding address». So, the original block just has the
rowid of the new block and the entire row is moved.
Row chaining nstead of just having a forwarding address on
one block and the data on another we have data on two or
more blocks.

Answer / nitun

Row Chaining happens when a row is too large to fit into a
single database block. For example, if you use a 8KB block
size for your database and you need to insert a row of 16KB
into it, Oracle will use 2/3 blocks and store the row in
chain of data blocks for that segment. And Row Chaining
happens only when the row is being inserted

Hi , I am planning to take up OCA certification in next 3 months.Can you please provide me with the path for Oracle DBA certi.If any one of you have dumps for same,please mail them to mukund.kanabargi@gmail.com.Please give me any tips if possible.

1 Answers  

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0 Answers   IBM, NIIT,

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0 Answers  

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3 Answers  

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Hi, I am planning to write OCP Certification (Oracle Functional) Here i need to complete 4 exams like 1Z0-200--Oracle eBusiness Fundamentals 1Z0-211--Oracle General Ledger Fundamentals (After this i need submitt Hands on Course form) 1Z0-212--Oracle Payable Fundamentals 1Z0-213--Oracle Receivable Fundamentals My question is what is Hands on course form and any training i need attendig? and when i have to attend between above exams?. Please suggest. Thanks

2 Answers  

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SQL>select 'yakub' pasha from dual; (what is the output and how it happen)

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where the bestone of the oracle certification tutorials in the hyderabad plz give me full contact address to my ramu.nani28@gmail.com thank you frnds

1 Answers   Oracle,

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2 Answers  

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4 Answers   Infosys, Oracle,

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0 Answers   BirlaSoft,

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