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What's the difference between HBase and RDB?

Created: Jan 20, 2022 11:38:39Latest reply: Jan 21, 2022 18:01:03 217 3 0 0 0
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Hello, everyone!

What's the difference between HBase and RDB?

Thanks!

Lisali!

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Featured Answers
olive.zhao
Admin Created Jan 20, 2022 11:42:48

Hello, friend!

HBase differs from traditional relational databases in the following aspects:

  • Data indexing: A relational database can build multiple complex indexes for different columns to improve data access performance. HBase has only one index, that is, the row key. All access methods in HBase can be accessed by using the row key or row key scanning, ensuring the proper system running.

  • Data maintenance: In the relational database, the latest current value is used to replace the original value in the record during the update operation. The original value does not exist after being overwritten. When an update operation is performed in HBase, a new version is generated with the original version retained.

  • Scalability: It is difficult to implement horizontal expansion of relational databases, and the space for vertical expansion is limited. On the contrary, distributed databases, such as HBase and BigTable, are developed to implement flexible horizontal expansion. They can easily implement performance scaling by adding or reducing hardware in a cluster.

Hope this helps!

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All Answers
olive.zhao
olive.zhao Admin Created Jan 20, 2022 11:42:48

Hello, friend!

HBase differs from traditional relational databases in the following aspects:

  • Data indexing: A relational database can build multiple complex indexes for different columns to improve data access performance. HBase has only one index, that is, the row key. All access methods in HBase can be accessed by using the row key or row key scanning, ensuring the proper system running.

  • Data maintenance: In the relational database, the latest current value is used to replace the original value in the record during the update operation. The original value does not exist after being overwritten. When an update operation is performed in HBase, a new version is generated with the original version retained.

  • Scalability: It is difficult to implement horizontal expansion of relational databases, and the space for vertical expansion is limited. On the contrary, distributed databases, such as HBase and BigTable, are developed to implement flexible horizontal expansion. They can easily implement performance scaling by adding or reducing hardware in a cluster.

Hope this helps!

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Unicef
Unicef MVE Created Jan 20, 2022 12:04:47

Hello friend fyi.

hbas

base

Thanks!

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Saqibaz
Saqibaz Created Jan 21, 2022 18:01:03

Thanks
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