Type (Index Keyword)
Usage
To specify the type of the index, use the following syntax:
Index name On property_expression_list [ Type = indextype ];
Where indextype is one of the following:
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bitmap — a bitmap index
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bitslice — a bitslice index
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columnar — a columnar index
-
index — a standard index (default)
-
key — deprecated
Details
This keyword specifies the type of the index, specifically whether the index is implemented as standard index or one of several special indexes.
A bitmap index cannot be marked as unique.
Default
If you omit this keyword, the index is a standard index.
See Also
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“Index Definitions” in this book
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“Define and Build Indexes” in Defining a High-Performance Schema
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“Introduction to Compiler Keywords” in Defining and Using Classes