TechQA.

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Is there a way to "revive" a dead tuple in postgres?

score 73 · Answer 1 · 2024-01-18T14:31:33.390000

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Is there a way to "revive" a dead tuple in postgres?

73 views Asked by Paincake- At 18 January 2024 at 14:31

score 54 · Answer 2 · 2023-11-28T10:20:33.957000

Questions about how MVCC dealing with multiple rows

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score 380 · Answer 3 · 2023-10-07T23:38:43.900000

Nvidia NVML undefined symbol: nvmlDeviceGetComputeRunningProcesses_v3

380 views Asked by fizwit At 07 October 2023 at 23:38

score 59 · Answer 4 · 2023-07-25T11:41:40.843000

A call to a VOLATILE function breaks atomicity of a SELECT statement

59 views Asked by Taras Serduke At 25 July 2023 at 11:41

score 59 · Answer 5 · 2023-07-10T10:14:25.453000

Run two select statements on the same isolated table snapshot in Snowflake

59 views Asked by Gopick At 10 July 2023 at 10:14

score 48 · Answer 6 · 2023-05-03T13:21:27.393000

Write skew in a snapshot isolation level

48 views Asked by Sankit Acharya At 03 May 2023 at 13:21

score 42 · Answer 7 · 2023-02-21T20:15:10.017000

serializable snapshot isolation outdated premise detection

42 views Asked by Jack Peng At 21 February 2023 at 20:15

score 467 · Answer 8 · 2022-10-13T16:08:36.923000

Which isolation levels use MVCC in MySQL?

467 views Asked by Super Kai - Kazuya Ito At 13 October 2022 at 16:08

score 490 · Answer 9 · 2022-07-02T10:09:08.380000

Is it really safe that running `UPDATE t SET v=v-1 WHERE id= ? and v>0` without pessimistic row locking? (MySQL/Postgres/Oracle)

490 views Asked by mpyw At 02 July 2022 at 10:09

score 482 · Answer 10 · 2022-04-19T09:35:25.063000

why plain select has Lock_time?

482 views Asked by Michael At 19 April 2022 at 09:35

score 90 · Answer 11 · 2022-04-09T17:21:23.100000

MySQL ReadView bug?

90 views Asked by JACK At 09 April 2022 at 17:21

score 1140 · Answer 12 · 2022-03-28T17:32:34.040000

What does ANALYZE do when used within a transaction?

1.1k views Asked by Brent Dillingham At 28 March 2022 at 17:32

score 226 · Answer 13 · 2022-02-13T02:11:41.367000

How to simulate "multi-versioning" regarding database MVCC in JavaScript?

226 views Asked by Lance At 13 February 2022 at 02:11

score 368 · Answer 14 · 2022-01-31T19:05:19.007000

Relpages and reltuples under MVCC

368 views Asked by somenickname At 31 January 2022 at 19:05

score 203 · Answer 15 · 2022-01-11T18:17:55.487000

Debugging with postgresql transactions state

203 views Asked by rela589n At 11 January 2022 at 18:17

score 210 · Answer 16 · 2021-12-27T16:18:11.190000

Why is the CommandID in PostgreSQL needed

210 views Asked by Dave Halter At 27 December 2021 at 16:18

score 1030 · Answer 17 · 2021-12-15T15:03:06.720000

Disabling MVCC in Postgres

1k views Asked by user3779002 At 15 December 2021 at 15:03

score 306 · Answer 18 · 2021-09-02T17:18:24.317000

MVCC - The atomicity problem of consistent reads

306 views Asked by Zeng At 02 September 2021 at 17:18

score 160 · Answer 19 · 2021-08-04T10:22:27.757000

how dose yugabytedb guarantee the snapshot consistent during garbage collection？

160 views Asked by cangfeng At 04 August 2021 at 10:22

score 417 · Answer 20 · 2021-07-23T15:35:38.603000

How does mysql INNODB implement READ-UNCOMMITTED?

417 views Asked by Manikandan Kbk At 23 July 2021 at 15:35

TechQA.

List Question

Is there a way to "revive" a dead tuple in postgres?

Questions about how MVCC dealing with multiple rows

Nvidia NVML undefined symbol: nvmlDeviceGetComputeRunningProcesses_v3

A call to a VOLATILE function breaks atomicity of a SELECT statement

Run two select statements on the same isolated table snapshot in Snowflake

Write skew in a snapshot isolation level

serializable snapshot isolation outdated premise detection

Which isolation levels use MVCC in MySQL?

Is it really safe that running `UPDATE t SET v=v-1 WHERE id= ? and v>0` without pessimistic row locking? (MySQL/Postgres/Oracle)

why plain select has Lock_time?

MySQL ReadView bug?

What does ANALYZE do when used within a transaction?

How to simulate "multi-versioning" regarding database MVCC in JavaScript?

Relpages and reltuples under MVCC

Debugging with postgresql transactions state

Why is the CommandID in PostgreSQL needed

Disabling MVCC in Postgres

MVCC - The atomicity problem of consistent reads

how dose yugabytedb guarantee the snapshot consistent during garbage collection？

How does mysql INNODB implement READ-UNCOMMITTED?

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