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What Are The Basic Rules That Define How Pi Is Defined In Teradata?

Answer»

The following rules govern how Primary INDEXES in a Teradata Database must be defined as well as how they function:
ONE Primary Index per table.
A Primary Index value can be UNIQUE or non-unique.
The Primary Index value can be NULL.
The Primary Index value can be modified.
The Primary Index of a POPULATED table cannot be modified.
A Primary Index has a limit of 64 columns.

The following rules govern how Primary Indexes in a Teradata Database must be defined as well as how they function:
One Primary Index per table.
A Primary Index value can be unique or non-unique.
The Primary Index value can be NULL.
The Primary Index value can be modified.
The Primary Index of a populated table cannot be modified.
A Primary Index has a limit of 64 columns.


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