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# MLOps 관련 책, 강의 리뷰 (DMLS, FSDL) | Swalloow Blog
MLOps는 다양한 지식과 컴포넌트를 다루고 있어 따로 공부하다보면 중요한 부분을 놓치고 도구에만 집착하게 되는 경우도 많습니다. 반면 알려진 책이나 강의를 들으니 퍼즐 조각들이 맞춰지는 것처럼 흩어져 있는 지식들이 하나로 정리되는 느낌을 받을 수 있었습니다. 이 글에…
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`WITH ` clauses don't work with DMLs anymore (since recent changes):
```sql
-- Fails now, but worked with H2 2.2.224
WITH b AS (
SELECT Min( valid_date ) valid_date
, s…
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Laura taking lead. Data needs.
If investigating general relationship between methylation rate and expression:
- Methylation status (methylated or not, locus-level) x individual matrix
- Methyl…
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Jira Link: [DB-3096](https://yugabyte.atlassian.net/browse/DB-3096)
### Description
When doing direct `INSERT/UPDATE/DELETE` on system tables, related PG system caches are only updated on `INSERT` p…
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Large transactions can overwhelm binlog consumers, cause replication delay, and might have other performance implications.
For those who prefer to encourage smaller transactions for bulk changes (h…
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Jira Link: [DB-11037](https://yugabyte.atlassian.net/browse/DB-11037)
### Description
For auto-analyze service, we should make sure we collect catalogs' table mutation counts from DDL statements.
A…
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Without that ability, one cannot execute DMLs using that tool.
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### Is your feature request related to a problem? Please describe.
As we continue to develop and refine our database operations, we need to consider how we handle locks during DML and DDL (including …
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```
We need to research and write an error handling system that will limit
unhandled exceptions, but
notify the user, Admin, and the Salesforce.com Foundation that an error has
occurred.
```
Origi…
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This was submitted by Amit Khandekar, 2013-04-01.
See [sourceforge bug tracker](http://sourceforge.net/p/postgres-xc/bugs/406/) for details.
In case of DELETE/UPDATE, when fetching the ctids, we fet…