Db : char(64)

User : char(80)

Table_name : char(64)

Column_name : char(64)

Timestamp : timestamp

Column_priv : set('Select','Insert','Update','References')

table_name : varchar(64)

column_name : varchar(64)

min_value : varbinary(255)

max_value : varbinary(255)

nulls_ratio : decimal(12,4)

avg_length : decimal(12,4)

avg_frequency : decimal(12,4)

hist_size : tinyint(3) unsigned

hist_type : enum('SINGLE_PREC_HB','DOUBLE_PREC_HB')

histogram : varbinary(255)

Db : char(64)

User : char(80)

Select_priv : enum('N','Y')

Insert_priv : enum('N','Y')