Apache Kyuubi 1.7.2-rc0 DocumentationApplication Programming Interface 3 1.2 Multi-tenancy 4 1.3 High Availability 4 2 Serverless SQL and More 5 2.1 Ease of Use 5 2.2 Run Anywhere at Any Scale 5 2.3 High Performance 6 3 What's Apache Kyuubi $ ^{™} $ is a distributed and multi-tenant gateway to provide serverless SQL on Data Warehouses and Lakehouses. Kyuubi builds distributed SQL query engines on top of various kinds of modern modern computing frameworks, e.g., Apache Spark, Flink, Doris, Hive, and Trino, etc, to query massive datasets distributed over fleets of machines from heterogeneous data sources. The Kyuubi Server lane of0 码力 | 211 页 | 3.79 MB | 2 年前3- The SQL Handbook## SQL HANDBOOK # Table of Contents Preface The SQL Handbook Conclusion ## Preface The SQL Handbook follows the 80/20 rule: learn in 20% of the time the 80% of a topic. In particular, the goal is is to get you up to speed quickly with SQL. This book is written by Flavio. I publish programming tutorials on my blog flaviocopes.com and I organize a yearly bootcamp at bootcamp.dev. You can reach me ## The SQL Handbook • 1. Information systems, data and information • 2. What is a Database? And a DBMS? • 3. Do you always need a database? • 4. Relational Databases • 5. Introduction to SQL • 6.0 码力 | 26 页 | 440.71 KB | 2 年前3
- Distributed Ranges: A Model for Building Distributed Data Structures, Algorithms, and Views## +23 ## Distributed Ranges: A Model for Building Distributed Data Structures, Algorithms, and Views ## BENJAMIN BROCK ## Notices and Disclaimers For notices, disclaimers, and details about performance 33cc9ed6c477/p6_1.jpg) ## Project Goals - Offer high-level, standard C++ distributed data structures - Support distributed algorithms Achieve high performance for both multi-GPU, NUMA, and multi-node 477/p7_1.jpg) ## Outline - Background (Ranges, Parallelism, Distributed Data Structures) - Distributed Ranges (Concepts) - Implementation (Algorithms and views) - Complex Data Structures0 码力 | 127 页 | 2.06 MB | 1 年前3
- MYBATIS Dynamic SQLhttp://www.tutorialspoint.com/mybatis/mybatis_dynamic_sql.htm Copyright $ © $ tutorialspoint.com Dynamic SQL is a very powerful feature of MyBatis. It enables programmers to build queries based on have to write the query using the dynamic SQL. MyBatis uses a powerful Dynamic SQL language that can be used within any mapped SQL statement. Following are the OGNL based Dynamic SQL expressions provided otherwise • trim where, set • foreach ## The if Statement The most common thing to do in dynamic SQL is conditionally include a part of a where clause. For example –
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