Vladimir Zakharov explains how DataFrames serve as a vital tool for data-oriented programming in the Java ecosystem. By ...

在软件系统的演进过程中，随着业务规模扩大和架构复杂度提升，数据访问层往往最先变得“失控”。 我们不仅要面对 多种数据库（关系型、文档型、图数据库、宽列存储等），还必须同时适应 多种查询模型： •SQL 的 JOIN•文档数据库的嵌套与投影•图数据库 ...

These examples demonstrates all data types and PL/SQL Connector Builders used by PL/SQL Enterprise Workbench. All examples contain a normal executable main Java program and a JUnit test case. These ...

2025-03-08 05:43:15,835 ERROR [o.a.s.c.s.SeaTunnel ] [main] - Fatal Error, 2025-03-08 05:43:15,835 ERROR [o.a.s.c.s.SeaTunnel ] [main] - Please submit bug report in ...

In July 2025, Microsoft will discontinue support for the Microsoft Connector for Oracle in SQL Server Integration Services (SSIS). This blog provides essential details to help customers prepare for ...

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 ...

SQL, Python, and Java remain the most sought-after programming skills by employers, according to new research from System Design School. The study analysed job listings on Glassdoor, revealing the ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Cory Benfield discusses the evolution of ...