How to delete and update a record in Hive

+1 vote

I have installed Hadoop, Hive, Hive JDBC. which are running fine for me. But I still have a problem. How to delete or update a single record using Hive because delete or update command of MySQL is not working in Hive.

Thanks

hive> delete from student where id=1;
Usage: delete [FILE|JAR|ARCHIVE] <value> [<value>]*
Query returned non-zero code: 1, cause: null
Dec 8, 2020 in Big Data Hadoop by Rajiv
• 8,910 points
2,994 views

2 answers to this question.

0 votes

There is no operation supported for deletion or update of a particular record or particular set of records, and to me, this is more a sign of a poor schema.

A way to work around this limitation is to use partitions: I don't know what you id corresponds to, but if you're getting different batches of ids separately, you could redesign your table so that it is partitioned by id, and then you would be able to easily drop partitions for the ids you want to get rid of.

answered Dec 8, 2020 by Gitika
• 65,890 points
0 votes

Hi,

Earlier, there was no operation supported for the deletion and updatE of a particular record in Hive. But since updating of Hive 0.14, these operations are possible to make changes in a Hive table. You can use the below command.

$ UPDATE tablename SET column = value [, column = value ...] [WHERE expression]
$ DELETE FROM tablename [WHERE expression]
answered Dec 18, 2020 by akhtar
• 38,230 points

Related Questions In Big Data Hadoop

0 votes
1 answer

How to create a parquet table in hive and store data in it from a hive table?

Please use the code attached below for ...READ MORE

answered Jan 28, 2019 in Big Data Hadoop by Omkar
• 69,190 points
16,224 views
0 votes
1 answer

How to create a Hive Database and store it in HDFS?

You will have to exclusively mention the ...READ MORE

answered May 20, 2019 in Big Data Hadoop by Jishnu
1,346 views
0 votes
1 answer

How to delete a directory from Hadoop cluster which is having comma(,) in its name?

Just try the following command: hadoop fs -rm ...READ MORE

answered May 7, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
2,036 views
0 votes
1 answer

What is the command to find the free space in HDFS?

You can use dfsadmin which runs a ...READ MORE

answered Apr 29, 2018 in Big Data Hadoop by Shubham
• 13,490 points
1,316 views
0 votes
1 answer

How to find the used cache in HDFS

hdfs dfsadmin -report This command tells fs ...READ MORE

answered May 4, 2018 in Big Data Hadoop by Shubham
• 13,490 points
1,396 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
9,090 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
1,639 views
0 votes
2 answers

How to change the location of a table in hive?

Changing location requires 2 steps: 1.) Change location ...READ MORE

answered Feb 12, 2020 in Big Data Hadoop by Saksham Sehrawet
5,651 views
0 votes
1 answer

How to see the content of a table in hive?

Hello, If you want to see the content ...READ MORE

answered May 15, 2019 in Big Data Hadoop by Gitika
• 65,890 points
3,010 views
webinar REGISTER FOR FREE WEBINAR X
Send OTP
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP