Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

使用 SQL 命令进行数据迁移，是比较常见和简便的方式。可使用 SELECT INTO OUTFILE 语句将数据导出到外部文件；也可使用 LOAD DATA 语法或者 source 的方式将数据从外部文件导入；表与表之间的数据迁移，也可以使用 INSERT INTO 或者 MERGE INTO 语法。本文就各种方式展开 ...

ODP SQL 路由原理 OceanBase 数据库代理 ODP（OceanBase Database Proxy）是 OceanBase 数据库专用的代理服务器，OceanBase 数据库用户的数据会以多副本的形式存放在各个 OBServer 节点上，ODP 接收用户发出的 SQL 请求，并将 SQL 请求转发至最佳目标 OBServer 节点，最后将执行结果返回给用户。

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...

If you’re completely new to Microsoft Word, you’re probably wondering where to begin. You’ve come to the right place because we’ll get you started. From what you see in the Word window to how to save ...

Part of the SQL Server 2022 blog series. Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database ...

There are plenty of ways to get the most out of SQL Server without just upgrading to the latest version. For database admins working with older (maybe much older) SQL Server systems, here are four ...

Whether you’re an experienced DBA with multiple certifications or just starting on your SQL Server DBA journey, you face challenges constantly for putting your organization’s data to work. To turn the ...

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...