select regexp_replace (regexp_replace) Yu 0min Za","","),"[\ u4e00 -\ u9fa5. The running result of ORACLE
ORACLE] {1,}", "U4e00 -\ u9fa5. The result of Yu Minli
GP running:?? The result of
HIVE running in Yu 0 min Za:? 0Za
Why are the results different?
PS: by the way, can you explain this regular expression so that I can understand it better? thank you!
Previous: Postfix emails are sent in groups?
Next: After the vue project is packaged, the font file reports an error, but the page displays normally
background: 1. I am a java programmer 2. Recently interviewed for a senior development position 3. The previous project mainly used less oracle,mysql, and the companies interviewed basically used mysql s 4. I am weak in the database 5. Recently, I...
is there any way? such as recommended books, blogs, etc. ...
there is a problem. What should I do if I want to take a record that matches multiple characters in a field? select * from actor where last_name like ( % DAVI% , MOSTEL% , ABC , kkk%aa ) the above sql statement is incorrect. Like does not sup...
1. If you use select * from APowerB without any conditions, the result will be displayed associated with tables an and b, but the result will be repeated many times 2, and select * from a join b, will not add any query conditions, and the result will b...
as mentioned above, I want to count the number of records in the database. If a field is required to repeat, the count is 0. For example: a database of car sales invoices, in which there is a frame number field referred to as CJHM. I want to count the n...
use leftJoin multi-table join lookup. Finally, a field in select is a field from count in one of the right tables, but if there is no count data in that table, the entire query will lose the result. Now you want to keep the data in the left table if the...