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sql(179) csv(56) birt(52) excel(29) json(28) text files(26) sql headache(24) mongodb(19) group(18) java(14) xml(13) join(11) transpose(10) web service(9) multiple datasources(9) big data(9) mysql(8) topn(6) parameters(4) hive(2) oracle(2) more>>> set operations(2) enum value(1) mysql headache(1) compare same period(1) conditional change(1) overlapping(1) continuous equivalence(1) key values(1)
sql(179) csv(56) birt(52) excel(29) json(28) text files(26) sql headache(24) mongodb(19) group(18) java(14) xml(13) join(11) transpose(10) web service(9) multiple datasources(9) big data(9) mysql(8) topn(6) parameters(4) hive(2) oracle(2) more>>> set operations(2) enum value(1) mysql headache(1) compare same period(1) conditional change(1) overlapping(1) continuous equivalence(1) key values(1)
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xingjl • Application • 632 View • 2020-03-05 16:53:26
Get multiple records with the maximum value in one line
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Andy • Application • 640 View • 2020-02-10 11:19:30
Use an Embedded Script to Quickly Parse Multilevel JSON Data in Java
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Andy • Application • 1,077 View • 2020-02-10 11:15:28
Parse Complex Excel Worksheet & Write Data to Database with a 3-line Script
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Andy • Application • 653 View • 2020-02-10 11:10:00
Parallelly Process a Large File with a Two-line Script in Java
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Andy • Application • 770 View • 2020-02-10 11:03:00
* How to Perform Table Joins between MongoDB and MySQL
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Andy • Application • 550 View • 2020-02-10 11:00:30
* How to Join a Database Table & XML Data Conveniently
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Andy • Application • 740 View • 2020-03-26 11:12:22
* How to Conveniently Query Text Data with SQL in Java
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Andy • Application • 624 View • 2020-02-10 10:42:56
* A Simple Way of Calling Web Service Data Source in BIRT
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Andy • Application • 1,944 View • 2020-03-17 19:19:42
A Convenient Way to passing multiple values birt parameter
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tossman • Application • 603 View • 2020-02-07 16:57:54
How to Implement Cross-database Queries Conveniently
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tossman • Application • 431 View • 2020-02-07 16:53:26
How to Do Batch Searching of Key Values on Big Data Quickly
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xingjl • Application • 681 View • 2020-03-05 16:45:04
* Implement overlapping grouping from MySQL in one line
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xingjl • Application • 675 View • 2020-03-05 16:47:37
* Implement the ordered enumeration conditional grouping from MySQL in one line
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xingjl • Application • 647 View • 2020-03-05 16:53:33
. Implement grouping by conditional change from MySQL in one line
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xingjl • Application • 649 View • 2020-03-05 16:53:40
Implement grouping by continuous equivalence from MySQL in one line
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xingjl • Application • 594 View • 2020-03-05 16:52:23
Take the top three of each group from MySQL in one line
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xingjl • Application • 777 View • 2023-11-29 21:33:25
Take the top three of each group from Hive in one line
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xingjl • Application • 548 View • 2020-03-05 16:51:57
Take the top three of each group from Oracle in one line
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xingjl • Application • 810 View • 2020-03-05 16:51:25
One line code to get same period ratio which is hard to get in SQL
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xingjl • Application • 856 View • 2020-03-05 16:49:32
* Row and column transposition of dynamic columns in one line
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