What is a Redo Log ?
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Answer / santosh sagar
Redo Log buffers are the files in oracle architecture which
keeps the track of transactions being done on the database.
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Answer / orawhiz
The set of Redo Log files for a database is collectively
known as the database's redo log.
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Answer / nishi
The most crucial structure for recovery operations is the redo log, which consists of two or more preallocated files that store all changes made to the database as they occur. Every instance of an Oracle Database has an associated redo log to protect the database in case of an instance failure.
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how to select alphabets in a one column , for this the table name is PA_TASKS and column name is TASK_NUMBER, In TASK_NUMBER the data like this 1.1.3NN,1.1.4NN,1.5.1NN,1.3.2NE,1.5NN,1NN,1.2NE,1CE , For this i need to disply output as only NN,but not other alphabets, if NN is thre means i should display , otherwise leave that blank or empty Its some urgent requirement ,thanks in advance
How to delete an existing row from a table in oracle?
How can we create the complete backup of data in the oracle.
0 Answers IPEC, Satyam, SunTec,
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19 Answers CTS, Syntel, TCS,
What is a schema in oracle?
If I have a select statment which retrives 2 rows, & that rows have the same data in all the fields except the last field and I want to merge the 2 rows to be in 1 row with concatenating the last field which have the different data.... eg: the 1st row has these fields: A-B-C the second row has: A-B-X ........ i want to merge the two row to be in one row like ----> A- B- C,X
What do you mean by merge in oracle and how can you merge two tables?
What are the trigger associated with image items ?
How to create a new tablespace in oracle?
What is a View ?
What is Index Cluster ?
what is the difference between joins and set operators.i am always confusing with two,can u pls kindly help me .