# Oracle Database - Blevel Index Statistics

Blevel is the number of branch levels in a Btree index and differs from HEIGHT by one. It does not count the leaf block.

## 3 - Formula

$BLEVEL = HEIGHT - 1$

## 4 - How to

### 4.1 - Get the value

The value of BLEVEL is found in the normal dictionary tables such as USER_INDEXES after statistics have been gathered.

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