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Articles by - MySql

Useful Tips and Tricks for Data Scientists

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By - MySql
| DZone Verified
In the world of data science, there are countless libraries and tools that can help speed up your work and make your analyses more efficient. As a data analyst and researcher, I have developed tools for processing terabytes of data and performed anomaly research and analysis in the field of brokerage and trading. During my career, I have accumulated some useful knowledge on how to efficiently analyze large amounts of data as well as solve uncommon tasks that arise in the field.
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基于 Flink CDC 构建 MySQL 和 Postgres 的 Streaming ETL

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By - MySql, - Sql
| CSDN
官方网址：https://ververica.github.io/flink-cdc-connectors/release-2.3/content/%E5%BF%AB%E9%80%9F%E4%B8%8A%E6%89%8B/mysql-postgres-tutorial-zh.html官方教程有些坑，经过自己实测，记录个笔记。 服务器环境： VM虚拟机：CentOS7.9 docker版本：Docker version 24.0.5, build ced0996 docker compose 版本：2.19 jdk 1.8 虚拟机IP:192.168.122.131 内存：16G(一定要大于等于16G) CPU：4g 磁盘 ：>= 60G DOCKER_CONFIG=${DOCKER_CONFIG:-/usr/local/lib/docker/cli-plugins} mkdir -p $DOCKER_CONFIG/cli-plugins curl -SL...
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QuerySet API reference | Django documentation | Django

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By - Oracle, - MySql, - PostgreSql, - SQLite
| docs.djangoproject.com
raw()¶ raw(raw_query, params=(), translations=None, using=None) Takes a raw SQL query, executes it, and returns a django.db.models.query.RawQuerySet instance. This RawQuerySet instance can be iterated over just like a normal QuerySet to provide object instances. See the Performing raw SQL queries for more information. Warning raw() always triggers a new query and doesn’t account for previous filtering. As such, it should generally be called from the Manager or from a fresh QuerySet instance.
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