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Improving GROUP BY memory usage on a columnstore table
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2
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1663
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July 12, 2022
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Solution To avoid data skew and gather partition all by adding a constant field with values 0 to 99
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1
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2172
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July 1, 2022
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Skiplist index column order
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2
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1767
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June 8, 2022
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Performance Degrades on using multiple Views on using UNION
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1
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1397
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June 2, 2022
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Variables value
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4
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1579
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June 1, 2022
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Performance Degrades on using union all
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1
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1518
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May 23, 2022
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Any Query to find the complete SQL query that is in sleep for more than 60?
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3
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1885
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May 11, 2022
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10mi rows with 5 self join takes 57s in free trial license
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10
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2363
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May 10, 2022
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Query Performance Issue
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14
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2152
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April 28, 2022
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What is the most efficient way to drop 200+ tables except for a few tables in a given DB?
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1
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1686
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March 3, 2022
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Queing of queries - How to makeout the reason
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2
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1899
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February 17, 2022
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Regular expression REGEXP_REPLACE not supporting POSIX ERE
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1
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1865
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February 5, 2022
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Sort Key - How to check whether segment getting eliminated or not
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2
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2226
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December 4, 2021
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Query Tuning Fix Broadcast Operation
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6
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2546
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August 24, 2021
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Error on complex generated queries
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2
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1933
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October 7, 2021
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Redundant index
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1
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1888
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October 6, 2021
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Performance of retrieving rows
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1
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2020
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October 5, 2021
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Slow HashGroupBy in columnstore table
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8
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4637
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September 16, 2021
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Performance of querys joining on VARCHARs of different lengths
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3
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4203
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May 19, 2021
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Full join query not utilizing index
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1
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2046
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June 17, 2021
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Query not utilizing columnstore shard key
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1
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2546
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June 11, 2021
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Performance of queries with using view
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1
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2246
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June 10, 2021
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Performance issue for select stmt
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1
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1987
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April 28, 2021
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SELECTS per second per thread/core vs. MariaDB in Memory
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1
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2062
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March 17, 2021
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First query is slow. 2nd one is fast. why?
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7
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5677
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December 21, 2020
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Hash join takes too long
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1
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2311
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December 2, 2020
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Choosing Columnstore Key for Time-series data
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1
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3049
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October 7, 2020
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Replicating one table's data to another after some processing on each row
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4
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3363
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September 24, 2020
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Optimizing Performance of "ORDER BY 'X' DESC" on Large Tables
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5
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3330
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September 1, 2020
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Memsql 7.1.5 TO_JSON() is not honoring Limit Clause
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1
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2581
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August 11, 2020
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