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Jerry Zhang

Java or SQL, which is faster for data operation?

SQL has always been the main language to calculate and process structured data. However, as technology evolves, Java is now often used to…

15 min readMay 11, 2023

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Java or SQL, which is faster for data operation?

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Jerry Zhang

Is distributed technology the panacea for big data processing?

Using distributed cluster to process big data is the mainstream at present, and splitting a big task into multiple subtasks and…

11 min readDec 22, 2022

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Is distributed technology the panacea for big data processing?

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Jerry Zhang

Open-source SPL Helps JAVA Handle Files of Open Formats (txt/csv/json/xml/xls)

It is common to process data files of open formats like txt, csv, json, xml and xls in Java applications. Hardcoding in Java is extremely…

10 min readAug 8, 2022

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Open-source SPL Helps JAVA Handle Files of Open Formats (txt/csv/json/xml/xls)

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Jerry Zhang

Open-source SPL script make microservices develop more efficient

Agile SPL syntax enables much more convenient programming. The open-source data processing component can be seamlessly integrated into a…

6 min readMar 4, 2022

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Open-source SPL script make microservices develop more efficient

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Jerry Zhang
in
Analytics Vidhya

Interpreting Low-Code from the perspective of open-source SPL

What kind of code is considered low？

9 min readMar 2, 2022

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Interpreting Low-Code from the perspective of open-source SPL

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Jerry Zhang
in
Analytics Vidhya

What are the most appropriate alternatives to SQL software?

As a programming language, the opensource SPL is a better alternative to SQL for database calculation.

15 min readFeb 14, 2022

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What are the most appropriate alternatives to SQL software?

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Jerry Zhang

Open-source SPL that can execute SQL without RDB

SQL syntax is close to natural language, with low learning threshold and the bonus of first mover advantage, it soon became popular between…

9 min readJan 19, 2022

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Open-source SPL that can execute SQL without RDB

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Jerry Zhang

Which open source package is best for Java to parse and process XML?

For a long time, Java has provided built-in implementations of SAX and DOM, and no external libraries are required to parse XML. To…

3 min readOct 12, 2021

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Which open source package is best for Java to parse and process XML?

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Jerry Zhang

Can MongoDB be queried with SQL?

The relational database data model is simple, and they are all single-level two-dimensional tables with clear rows and columns. It is…

3 min readOct 12, 2021

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Can MongoDB be queried with SQL?

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Jerry Zhang

How to do JOIN on MongoDB collections?

One of the biggest differences between SQL and NoSQL databases is JOIN. Although MongoDB introduced $lookup as a supplement to the use of…

3 min readOct 12, 2021

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How to do JOIN on MongoDB collections?

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Jerry Zhang

Jerry Zhang

Products and resources that simplify hard data processing tasks. If you have any questions, send me a message. https://www.linkedin.com/in/witness998

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