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Implementing a Highly-Compressed Data Storage
blog
https://www.alibabacloud.com/blog/236743
;; select sum(data_length) into @change_size from information_schema.tables where engine='innodb' and
concat
(table_schema ...
SQL optimization - MaxCompute
Documentation
https://www.alibabacloud.com/help/doc-detail/102614.html
example:select * from A join B on case when A.value is null then
concat
('value',rand() ) else A.value end = B.value ...
SQL compatibility - Distributed Relational Database Service
Documentation
https://www.alibabacloud.com/help/doc-detail/49249.html
CONCAT
() Return concatenated string ...
Reasonableness evaluation of partition pruning - MaxCompute
Documentation
https://www.alibabacloud.com/help/doc-detail/58679.html
... from xxxxx_base2_brd_ind_cw where ds =
concat
(SPLIT_PART(bi_week_dim(' $'), ',', 1), SPLIT_PART(bi_week_dim(' ...
String functions - Log Service
Documentation
https://www.alibabacloud.com/help/doc-detail/63450.html
. upper(string) Converts the string to uppercase characters.
concat
(string,string ...
Arrays - Log Service
Documentation
https://www.alibabacloud.com/help/doc-detail/67380.html
) → bigint Obtain the array size. -
concat
(array1, array2, …, arrayN) &rarr ...
Generate API in Script Mode - DataWorks
Documentation
https://www.alibabacloud.com/help/doc-detail/73279.html
'$ ', 'ABC $ 123 ',
concat
('abc ', $ , '123') can be passed if necessary ') implementation ...
Map - Log Service
Documentation
https://www.alibabacloud.com/help/doc-detail/69570.html
column and the lat column, you can use the
concat
('lat', ',', lng') function to merge the two columns ...
String functions and operators - Data Lake Analytics
Documentation
https://www.alibabacloud.com/help/doc-detail/71059.html
. chr(n) → varchar Converts the Unicode code point n into a single character string.
concat
(string1, …, stringN ...
Security detection functions - Log Service
Documentation
https://www.alibabacloud.com/help/doc-detail/87093.html
security_check_domain(
concat
(host, url ...
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