Unique is also referred to as distinct, you can get unique values in the column using pandasSeries.unique()function, since this function needs to call on the Series object, usedf['column_name']to get the unique values as a Series. Syntax: # Syntax of unique() Series.unique(values) Let...
Pandas Get Last Row from DataFrame? Pandas Count Unique Values in Column Pandas Count Distinct Values DataFrame Pandas DataFrame isna() function Pandas Get First Row Value of a Given Column Pandas Count The Frequency of a Value in Column
首先,我们将创建一个表。 使用CREATE命令创建一个表。 mysql>create tableDistinctDemo1->(->idint,->name varchar(100)->);QueryOK,0rows affected(0.43sec) 插入记录 mysql>insertintoDistinctDemo1values(1,'John');QueryOK,1row affected(0.34sec)mysql>insertintoDistinctDemo1values(2,'John');QueryOK,...
"data_type": "timestamp", "granularity": "day", "time_ingestion_partitioning": true }) }}select user_id, event_name, created_at, -- values of this column must match the data type + granularity defined above timestamp_trunc(created_at, day) as created_datefrom {{ ref('events') }...