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Limit select count subquery work in 21.4.5.46 version but can not work in 21.10.2.15
Limit select count subquery work in 21.4.5.46 version but can not work in 21.10.2.15
Sql is
select * from mytable order by sid limit (select toInt64(count(cid)*0.01) from mytable);
The sql can work v...
cooksun
Votes: 0
Answers: 1
How to take a concat String from column as a Dictionary_Name in dictGet function
I build a dynamic Dictionary in ClickHouse DB. It will create the dictionary before the SQL commands execute. Also, the dictionary name was created at the same time.
The dictionary name was a combined...
Kai
Votes: 0
Answers: 0
Max memory used by the SELECT query used to populate a materialized view
is there a specific parameter to set the maximum amount of memory Clickhouse can use when running the SELECT query to populate a materialized view? Or does Clickhouse enforce the same memory limit it ...
fpacifici
Votes: 0
Answers: 0
How to assign groups to another group in sql?
I have a grouped result/table:
tenant|city|count|
1 |A |36 |
2 |A |50 |
1 |B |3 |
1 |C |6 |
2 |C |2 |
1 |D |1 |
2 |D |2 |
Sum of count is ...
Mayank Pant
Votes: 0
Answers: 2