How to define an external table with a text file?
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how to see the data (in unix) using dataset in datastage?
What is raw datatype in oracle?
what is candidate key & super key
What are the different types of synonyms?
How to retrieve data from an cursor to a record?
1) Does oracle have any table which contain all the exceptions and it's code internally?
What is Rollback Segment ?
What is use of oracle?
why you need store procedure ? where do we use it in a Java project? can you get the code for as store procedure using in Java?
what is reindexing?
In Oracle 10g, "g" Stands for what?
The table has 3 columns 4 rows. The output is which column has least null values( A COL SHOULD BE THE OUTPUT) Write the query plz. A B C ================ 1 NULL 2 NULL 3 4 NULL 5 6 7 NULL NULL O/P C = 2 4 6