external-tables Questions

2

create external table demotable( column1 string, column2 string, column3 string) row format delimited fields terminated by '|' location '/data/demotable'; I create external table 'demotable' and...
Arsine asked 5/9, 2017 at 9:34

4

Solved

I'm planning to truncate the hive external table which has one partition. So, I have used the following command to truncate the table : hive> truncate table abc; But, it is throwing me an e...
Cassiani asked 12/11, 2018 at 6:52

1

I am trying to use the bigquery export functionality to push data out to GCS in json format. At the end of the process inorder to validate the count of exported records in the GCS file, I am creati...
Zoonosis asked 15/7, 2020 at 11:45

1

Solved

I have a Spark application that writes output files in Avro format. Now I would like that data to be available in Hive, because an application which would utilise that data can only do so through a...
Culley asked 29/5, 2020 at 9:12

1

I am new to azure databricks and trying to create an external table, pointing to Azure Data Lake Storage (ADLS) Gen-2 location. From databricks notebook i have tried to set the spark configuration...
Batton asked 27/6, 2019 at 13:26

1

Solved

I have created the hive external table using below command: use hive2; create external table depTable (depId int comment 'This is the unique id for each dep', depName string,location string) com...
Mccutchen asked 17/1, 2019 at 17:15

1

Is it possible to create n number of external tables are pointing to a single hdfs path using Hive. If yes what are the advantages and its limitations.
Evermore asked 4/1, 2019 at 11:7

4

Solved

So, I often have to load data into holding tables to run some data validation checks and then return the results. Normally, I create the holding table, then a sqlldr control file and load the data ...
Kilmarnock asked 20/11, 2009 at 16:34

2

Solved

An external table in HIVE is partitioned on year, month and day. So does the following query delete data from external table for the specific partitioned referenced in this query?:- ALTER TABLE M...
Loux asked 12/7, 2016 at 1:11

4

Solved

I am new to Hadoop and learning Hive. In Hadoop definative guide 3rd edition page no. 428 last paragraph I don't understand below paragraph regarding external table in HIVE. "A common pattern is...
Ruelu asked 19/8, 2013 at 11:29
1

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