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column_statistics

Overview

Column statistics

Database

__internal_schema

Table Information

Column NameTypeDescription
idvarchar(4096)Unique ID
catalog_idvarchar(64)ID of the Catalog
db_idvarchar(64)ID of the Database
tbl_idvarchar(64)ID of the Table
idx_idvarchar(64)ID of the Index
col_idvarchar(64)ID of the column, currently storing column names
part_idvarchar(64)ID of the Partition, always empty
countbigintNumber of rows
ndvbigintNumber of distinct values
null_countbigintNumber of NULLs
minvarchar(65533)Minimum value
maxvarchar(65533)Maximum value
data_size_in_bytesbigintData size in bytes
update_timedatetimeUpdate time of current statistics