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performance optimization practice(38)

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mars • eBook • 340 View • 2024-08-09 14:08:23
4.6 Alignment sequence
mars • eBook • 390 View • 2024-08-09 14:07:24
4.5 Filtering on dimension table
mars • eBook • 369 View • 2024-08-09 14:05:43
4.4 Numberized dimension table
mars • eBook • 362 View • 2024-08-09 14:03:44
4.3 Wide table
mars • eBook • 295 View • 2024-08-09 14:01:12
4.2 Computations on a dimension table
mars • eBook • 404 View • 2024-08-09 13:57:24
4.1 Storing dimension table in memory
mars • eBook • 380 View • 2024-08-09 13:55:40
3.8 Complicated judgment on each group
mars • eBook • 299 View • 2024-09-25 21:15:07
3.7 Getting the first/last record from each group
mars • eBook • 369 View • 2024-08-09 13:50:55
3.6 Order-based grouping & summarization
mars • eBook • 345 View • 2024-08-09 13:48:04
3.5 Order-based COUNT DISTINCT
mars • eBook • 280 View • 2024-08-09 13:46:32
3.4 Order-based DISTINCT
mars • eBook • 371 View • 2023-01-12 09:01:50
3.3 Storing data in account order
mars • eBook • 379 View • 2024-08-09 13:44:03
3.2 Order-based filtering
mars • eBook • 343 View • 2024-09-25 21:10:44
3.1 Storing data in time order
mars • eBook • 374 View • 2024-09-25 21:09:16
2.7 Getting the first/last record from each group
mars • eBook • 346 View • 2024-08-09 13:41:46
2.6 When there is a redundant grouping field
mars • eBook • 290 View • 2024-08-09 13:41:08
2.5 Getting records containing top/bottom N
mars • eBook • 359 View • 2024-08-09 13:39:57
2.4 Getting top/bottom N values
mars • eBook • 326 View • 2024-08-09 13:39:28
2.3 Getting record(s) containing the max/min value
mars • eBook • 333 View • 2024-08-09 13:38:13
2.2 DISTINCT
mars • eBook • 320 View • 2024-08-09 13:37:35
2.1 COUNT DISTINCT
mars • eBook • 339 View • 2024-08-09 13:36:21
1.4 Conversion from enumerated string to small integer
mars • eBook • 371 View • 2024-08-09 13:35:06
1.3 Converting date to small integer
mars • eBook • 432 View • 2024-09-25 21:04:08
1.2 Composite table
mars • eBook • 356 View • 2024-09-25 19:22:23
1.1 Bin file

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4.6 Alignment sequence

4.5 Filtering on dimension table

4.4 Numberized dimension table

4.3 Wide table

4.2 Computations on a dimension table

4.1 Storing dimension table in memory

3.8 Complicated judgment on each group

3.7 Getting the first/last record from each group

3.6 Order-based grouping & summarization

3.5 Order-based COUNT DISTINCT

3.4 Order-based DISTINCT

3.3 Storing data in account order

3.2 Order-based filtering

3.1 Storing data in time order

2.7 Getting the first/last record from each group

2.6 When there is a redundant grouping field

2.5 Getting records containing top/bottom N

2.4 Getting top/bottom N values

2.3 Getting record(s) containing the max/min value

2.2 DISTINCT

2.1 COUNT DISTINCT

1.4 Conversion from enumerated string to small integer

1.3 Converting date to small integer

1.2 Composite table

1.1 Bin file

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