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birt(52) csv(32) text files(26) sql headache(24) mongodb(19) group(15) java(14) xml(12) json(12) join(11) transpose(10) web service(9) big data(9) multiple datasources(9) sql(9) mysql(8) duplicate rows(5) topn(5) parameters(4) merge(3) multiple files(3) more>>> hive(2) enum value(1) elasticsearch(1) mysql headache(1) oracle(1) compare same period(1) key values(1) conditional change(1) overlapping(1) continuous equivalence(1)
birt(52) csv(32) text files(26) sql headache(24) mongodb(19) group(15) java(14) xml(12) json(12) join(11) transpose(10) web service(9) big data(9) multiple datasources(9) sql(9) mysql(8) duplicate rows(5) topn(5) parameters(4) merge(3) multiple files(3) more>>> hive(2) enum value(1) elasticsearch(1) mysql headache(1) oracle(1) compare same period(1) key values(1) conditional change(1) overlapping(1) continuous equivalence(1)
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Andy • Java • 1,467 View • 2020-03-17 11:19:42
A Convenient Way to passing multiple values birt parameter
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tossman • Java • 1,165 View • 2020-02-07 08:57:54
How to Implement Cross-database Queries Conveniently
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tossman • Java • 1,062 View • 2020-02-07 08:53:26
How to Do Batch Searching of Key Values on Big Data Quickly
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xingjl • Java • 1,129 View • 2020-03-05 08:45:04
* Implement overlapping grouping from MySQL in one line
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xingjl • Java • 1,149 View • 2020-03-05 08:47:37
* Implement the ordered enumeration conditional grouping from MySQL in one line
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xingjl • Java • 1,098 View • 2020-03-05 08:53:33
. Implement grouping by conditional change from MySQL in one line
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xingjl • Java • 1,127 View • 2020-03-05 08:53:40
Implement grouping by continuous equivalence from MySQL in one line
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xingjl • Java • 1,107 View • 2020-03-05 08:52:23
Take the top three of each group from MySQL in one line
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xingjl • Java • 1,140 View • 2020-03-05 08:54:03
Take the top three of each group from Hive in one line
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xingjl • Java • 1,086 View • 2020-03-05 08:51:57
Take the top three of each group from Oracle in one line
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xingjl • Java • 1,145 View • 2020-03-05 08:51:25
One line code to get same period ratio which is hard to get in SQL
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xingjl • Java • 1,255 View • 2020-03-05 08:49:32
* Row and column transposition of dynamic columns in one line
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