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Postgres Query uses Bitmap index scan on GIN indexed item. Does not GIN use B-Tree internally?

score 508 · Answer 1 · 2022-12-28T19:26:41.240000

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Postgres Query uses Bitmap index scan on GIN indexed item. Does not GIN use B-Tree internally?

508 views Asked by samshers At 28 December 2022 at 19:26

score 353 · Answer 2 · 2022-07-04T09:19:33.310000

why at depth 2, a B+ tree of order 2 has a MAXIMUM of 554 = 100 item?

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score 54 · Answer 8 · 2021-03-18T13:18:15.883000

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score 200 · Answer 9 · 2020-06-06T18:42:39.213000

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score 82 · Answer 12 · 2020-01-22T02:30:03.037000

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score 276 · Answer 14 · 2019-07-12T04:35:05.540000

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score 3637 · Answer 15 · 2019-06-24T07:20:24.737000

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3.6k views Asked by Mohamed Anees A At 24 June 2019 at 07:20

score 114 · Answer 16 · 2019-06-13T20:13:00.483000

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114 views Asked by AlmostSQLxprt At 13 June 2019 at 20:13

score 911 · Answer 17 · 2019-05-05T15:44:55.847000

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score 1666 · Answer 18 · 2019-04-10T07:03:16.477000

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score 523 · Answer 20 · 2018-07-17T18:50:50.383000

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523 views Asked by Max At 17 July 2018 at 18:50

TechQA.

List Question

Postgres Query uses Bitmap index scan on GIN indexed item. Does not GIN use B-Tree internally?

why at depth 2, a B+ tree of order 2 has a MAXIMUM of 554 = 100 item?

Type of primary key index and what happens on modifying them in MySQL

Speed up b-tree

How to apply the index line "my_table_<custom_name>" btree (<comma, separated, fields>) to a table?

Postgresql planner won't select index for 'NOT' queries

Inserting in a B-tree

What's reason of that LIKE query didn't disable the composite Index in MySQL

How to get the n-th value of a b-tree

Postgresql Index creation for Timestamp in a given Timezone

Postgres text search with GIN index and sorted DESC on other column

Postgres Database Import failing on zero-length identifier using btree ("") (Drupal)

How does DynamoDB internal architecture look like?

Postgres multi-column index is taking forever to complete

Postgres not using index for date field

Trivial question about max number of distinct values in a B-tree index

Bitmap index vs b-tree time complexity

How is PostgreSQL citext stored in a b-tree index? Lower case or as it is?

MySQL - BTree AND Hash indexes for the same column

Should I have index with all Where-clause fields?

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