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what is difference between occurs1 and occurs2?

Answer Posted / abhinandan alandkar

Let me correct u Siddharth,
Its not correct that when u use occurs 1 or occurs 2 u
cannot append more values than that, if u use that memory
up, system automatically allocates enough memory so that
the internal table can hold more records.
And as far as occurs 0 is concerned when u use
occurs 0, system allocates 8kb memory from the paging area
unnecessarily, if u intend to retrieve less rows then its
better to write some value on occurs clause.
There is only one case where occurs clause limits the
number of rows that can be added to an internal table, i.e,
when we use APPEND SORTED BY.

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