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jinxing • Desktop • 129 View • 2024-08-30 07:09:56
Concatenate column titles corresponding to empty cells
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jinxing • Application • 123 View • 2024-08-30 03:25:06
Split values of a field in a database table and transform it to new fields
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jinxing • Application • 142 View • 2024-08-28 06:34:41
Get the whole group where at least one member meets the specified condition
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jinxing • Desktop • 153 View • 2024-08-27 08:25:35
Combine cell values of every 3 rows under each column into one cell
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jinxing • Desktop • 268 View • 2024-08-26 06:10:54
Get desired data every N rows and combine them into one row
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chenhu • esProc • 1 Reply 287 View • 2024-09-18 13:54:26
Performance optimization case course: TPCH-Q1
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jinxing • Application • 174 View • 2024-08-23 07:29:46
Java, perform COUNT on each group of a large csv file
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jinxing • Desktop • 176 View • 2024-08-22 08:06:59
Get rankings of Excel rows in each group while retaining the existing order
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jinxing • Desktop • 154 View • 2024-09-19 10:57:24
Group and Summarize rows and add different words after different counts
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jinxing • Application • 119 View • 2024-08-21 07:00:30
Group and Summarize data, and align to the specified sequence
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jinxing • Application • 156 View • 2024-08-20 07:23:32
SQL, mark continuous rows with sequence numbers
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jinxing • Desktop • 153 View • 2024-08-20 07:03:12
Group an EXCEL table and concatenate values of rows meeting the specified condition
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jinxing • Application • 140 View • 2024-08-19 09:39:02
SQL, compute cumulative sums according to the termination condition
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jinxing • Application • 109 View • 2024-08-16 07:26:09
SQL, concatenate multiple rows of strings and remove duplicates
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jinxing • Application • 143 View • 2024-08-15 07:54:28
SQL, output associated records having many-to-many relationship row by row
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