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Difference between Internal and External table in Hive - Interview question 

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==============
1)Managed Tables/Internal table
2)External tables
1)Managed Tables/Internal table Syntax
hive= CREATE TABLE IF NOT EXISTS table_type.Internal_Table ( eid int, name String,
designation String)
COMMENT 'Employee details'
ROW FORMAT DELIMITED
FIELDS TERMINATED BY ','
LINES TERMINATED BY '
'
STORED AS TEXTFILE;
2)External tables Syntax
Create External table
==============================
Hive=CREATE EXTERNAL TABLE table_type.External_table(eid int, name String,
designation String) Row format delimited Fields terminated by ',' LOCATION '/test';
#hadoop
#hive
#hivetables

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15 окт 2024

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Комментарии : 13   
@manujkumarjoshi9342
@manujkumarjoshi9342 3 года назад
the satisfying and exact answer which most of the instructors escape because I think they are themselves not clear about the topic. Doing a good job brother.
@learnomate
@learnomate 3 года назад
Thanks 😊
@karimullashaik5884
@karimullashaik5884 3 года назад
Thank you !!! It really clarifies the difference between external and managed tables.
@rajeshgadde7042
@rajeshgadde7042 5 лет назад
Superb explanation
@sureshraina321
@sureshraina321 4 года назад
Excellent ☺️
@sushmakudipudi2684
@sushmakudipudi2684 Год назад
How do you perform alter operation once external table is created, i can think of just drop and recreate to add some columns
@rahulninawe4669
@rahulninawe4669 4 года назад
Good one
@ruxarmohammed6718
@ruxarmohammed6718 Год назад
great video. thanks
@learnomate
@learnomate Год назад
Thanks
@techcloud3637
@techcloud3637 5 лет назад
Hi sir, im new to hadoop is there any source i can learn and practice all these concept
@learnomate
@learnomate 5 лет назад
You can learn from blog, RU-vid. Subscribe to itvercity channel. They have very good video on Hadoop spark.
@chandramay
@chandramay Год назад
How do you copy paste after double click?
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