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Judy

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List the management structure tree--SPL Programming Practice

List the management structure tree--SPL Programming Practice

5
Comments
3 min read

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Simulate random card issuance--Programming Practice

Simulate random card issuance--Programming Practice

5
Comments
3 min read
Calculate the first N terms of the Fibonacci sequence--Programming Practice

Calculate the first N terms of the Fibonacci sequence--Programming Practice

5
Comments
3 min read
Perpetual Calendar--Programming Practice

Perpetual Calendar--Programming Practice

5
Comments 1
3 min read
Essential Adjacent References

Essential Adjacent References

9
Comments 1
6 min read
Practice #6: Conditional Filtering by Enumerated Field--A Lightweight Solution to Speed up Queries by Dumping Data to Files

Practice #6: Conditional Filtering by Enumerated Field--A Lightweight Solution to Speed up Queries by Dumping Data to Files

5
Comments 4
4 min read
Practice #5: EXISTS at Large Primary-Subtable Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files
Cover image for Practice #5: EXISTS at Large Primary-Subtable Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files

Practice #5: EXISTS at Large Primary-Subtable Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files

5
Comments
3 min read
Practice #4: Large Primary-Subtable Join:A Lightweight Solution to Speed up Queries by Dumping Data to Files
Cover image for Practice #4: Large Primary-Subtable Join:A Lightweight Solution to Speed up Queries by Dumping Data to Files

Practice #4: Large Primary-Subtable Join:A Lightweight Solution to Speed up Queries by Dumping Data to Files

5
Comments 1
4 min read
Practice #3: Foreign-key-based Dimension Table Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files
Cover image for Practice #3: Foreign-key-based Dimension Table Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files

Practice #3: Foreign-key-based Dimension Table Join--A Lightweight Solution to Speed up Queries by Dumping Data to Files

5
Comments
5 min read
Practice#2: COUNT DISTINCT :A Lightweight Solution to Speed up Queries by Dumping Data to Files
Cover image for Practice#2: COUNT DISTINCT :A Lightweight Solution to Speed up Queries by Dumping Data to Files

Practice#2: COUNT DISTINCT :A Lightweight Solution to Speed up Queries by Dumping Data to Files

5
Comments
5 min read
Practice#1: Regular Filtering and Grouping & Aggregation

Practice#1: Regular Filtering and Grouping & Aggregation

5
Comments
5 min read
A Lightweight Solution to Speed up Queries by Dumping Data to Files
Cover image for A Lightweight Solution to Speed up Queries by Dumping Data to Files

A Lightweight Solution to Speed up Queries by Dumping Data to Files

7
Comments
3 min read
SQL migration : SPL Lightweight Multisource Mixed Computation Practice #7

SQL migration : SPL Lightweight Multisource Mixed Computation Practice #7

6
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11 min read
Cross-datasource JOIN:SPL Lightweight Multisource Mixed Computation Practice #6

Cross-datasource JOIN:SPL Lightweight Multisource Mixed Computation Practice #6

6
Comments
7 min read
Cross-datasource union and comparison:SPL Lightweight Multisource Mixed Computation Practices #5

Cross-datasource union and comparison:SPL Lightweight Multisource Mixed Computation Practices #5

5
Comments 1
4 min read
Querying MongoDB:SPL Lightweight Multisource Mixed Computation Practices #4

Querying MongoDB:SPL Lightweight Multisource Mixed Computation Practices #4

5
Comments
4 min read
Querying Restful/JSON data:SPL Lightweight Multisource Mixed Computation Practices #3

Querying Restful/JSON data:SPL Lightweight Multisource Mixed Computation Practices #3

6
Comments
3 min read
Querying CSV/XLS and other files:SPL Lightweight Multisource Mixed Computation Practices #2

Querying CSV/XLS and other files:SPL Lightweight Multisource Mixed Computation Practices #2

5
Comments
3 min read
Running SQL in RDBs:SPL Lightweight Multisource Mixed Computation Practices #1

Running SQL in RDBs:SPL Lightweight Multisource Mixed Computation Practices #1

5
Comments
3 min read
Simulating Multiple-Layer Loop to Solve Logical Problems

Simulating Multiple-Layer Loop to Solve Logical Problems

5
Comments
6 min read
Count the occurrence rate of words

Count the occurrence rate of words

6
Comments
2 min read
Find the cycle section for infinite cyclic decimals

Find the cycle section for infinite cyclic decimals

5
Comments
2 min read
Competition of data processing languages on JVM: Kotlin, Scala and SPL

Competition of data processing languages on JVM: Kotlin, Scala and SPL

6
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24 min read
Two major shortcomings of Python in enterprise applications

Two major shortcomings of Python in enterprise applications

7
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10 min read
Mixed-Source Computing:SPL Practices

Mixed-Source Computing:SPL Practices

7
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9 min read
The Implicit Lambda Syntax

The Implicit Lambda Syntax

5
Comments
7 min read
Using Java/Python in place of stored procedure for batch jobs?

Using Java/Python in place of stored procedure for batch jobs?

5
Comments
13 min read
Structured Text computing: SPL Practice

Structured Text computing: SPL Practice

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Comments 4
18 min read
Data Comparison between Different Types of Databases-SPL Practice

Data Comparison between Different Types of Databases-SPL Practice

6
Comments
5 min read
How to Speed Up Conditional Filtering on Enumerated Fields with esProc

How to Speed Up Conditional Filtering on Enumerated Fields with esProc

7
Comments
6 min read
How to Speed Up EXISTS in Primary-Subtable Joins with esProc

How to Speed Up EXISTS in Primary-Subtable Joins with esProc

6
Comments
5 min read
How to Speed Up Associations between Large Primary and Sub Tables with esProc

How to Speed Up Associations between Large Primary and Sub Tables with esProc

7
Comments 1
4 min read
How to Implement Mixed Computations Between Oracle and MySQL with esProc

How to Implement Mixed Computations Between Oracle and MySQL with esProc

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Comments 2
4 min read
How to Implement JOIN Operations Between Tables from Different Databases with esProc?

How to Implement JOIN Operations Between Tables from Different Databases with esProc?

6
Comments 1
8 min read
How to operate large CSV files with esProc SPL

How to operate large CSV files with esProc SPL

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Comments 6
3 min read
Data storing using file or database, which is more suitable?

Data storing using file or database, which is more suitable?

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Comments 2
9 min read
Is This a Refreshing Way to Understand Association?

Is This a Refreshing Way to Understand Association?

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Comments 1
7 min read
Using SQL for data analysis seems to be a false proposition

Using SQL for data analysis seems to be a false proposition

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Comments 7
6 min read
What should we do when SQL (and stored procedure) runs too slowly?

What should we do when SQL (and stored procedure) runs too slowly?

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13 min read
How to merge overlapping time intervals with esProc

How to merge overlapping time intervals with esProc

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Comments 1
3 min read
Ordered grouping

Ordered grouping

6
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6 min read
How to Build a Streaming Deduplication Pipeline with Kafka, GlassFlow, and ClickHouse

How to Build a Streaming Deduplication Pipeline with Kafka, GlassFlow, and ClickHouse

11
Comments
12 min read
How to check the same status of data in each row within a group with esProc

How to check the same status of data in each row within a group with esProc

6
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2 min read
How to Operate nested JSON from RESTful with esProc

How to Operate nested JSON from RESTful with esProc

6
Comments
4 min read
How to quickly transform multi-layer sets in JSON strings

How to quickly transform multi-layer sets in JSON strings

7
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2 min read
A programming language coding in a grid

A programming language coding in a grid

5
Comments
17 min read
How to simplify the Merge Operations Across Tables from Multiple Databases

How to simplify the Merge Operations Across Tables from Multiple Databases

6
Comments
6 min read
How to simply perform the difference set operation of a continuous interval ?

How to simply perform the difference set operation of a continuous interval ?

6
Comments 1
3 min read
How to supplement the missing capabilities of database SQL with esProc

How to supplement the missing capabilities of database SQL with esProc

6
Comments
6 min read
How to set duplicate content in a dataset to null with esProc

How to set duplicate content in a dataset to null with esProc

5
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2 min read
Statistics by time window: SPL VS SQL #16

Statistics by time window: SPL VS SQL #16

6
Comments
3 min read
How to Dump Database Tables into Files to Speed Up Queries with esProc

How to Dump Database Tables into Files to Speed Up Queries with esProc

6
Comments
5 min read
How to Use esProc to Speed Up JOIN to Avoid Wide Tables

How to Use esProc to Speed Up JOIN to Avoid Wide Tables

6
Comments
6 min read
How to Implement Hot-Cold Data Mixed Computing with esProc

How to Implement Hot-Cold Data Mixed Computing with esProc

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Comments
4 min read
This Is Likely the Computing Technology that Supports the Most Data Sources

This Is Likely the Computing Technology that Supports the Most Data Sources

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5 min read
How to Speed Up COUNT DISTINCT with esProc

How to Speed Up COUNT DISTINCT with esProc

7
Comments
4 min read
Deduplicate between an uncertain number of columns:SQL VS SPL #15

Deduplicate between an uncertain number of columns:SQL VS SPL #15

7
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2 min read
How to simplify MongoDB queries with esProc

How to simplify MongoDB queries with esProc

6
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4 min read
How to simplify nested SQL in applications with esProc

How to simplify nested SQL in applications with esProc

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4 min read
SPL: The Professional Choice for Processing Multi-Layered JSON Data

SPL: The Professional Choice for Processing Multi-Layered JSON Data

6
Comments
5 min read
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