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How many types of structures r there .

Former Member
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whether in ddic or internal tables

pls let me know


Former Member
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2 of them are

<b>Nested structures</b> are strucutres in which you have one or more sub strucutres in them.

<b>Deep strucutre</b> are those in which any one of the field's length is not known or cannot be determined something like filed is a reference type or STRING or an internal table whose length is not know until runtime