oracle sql regexp_substr connect by
Using REGEXP_SUBSTR you can extract only one of the 4 matches (A,B,C,D): the regex [^,]+ matches any character sequence in the string which does not contain a ... which not only contains all 4 results, but also breaks it into separate rows in the results, I have a very cool SQL (given to me) that is used for parsing a string that I need help trying to understand. -- Parse routine. BEGIN -- Parse into separate variables. FOR parse_rec IN (WITH t AS (SELECT TRIM('this is a parse test ') AS txt FROM
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 oracle sql regexp_substr connect by 相關參考資料
need to understand regexp_substr and connect by level Oracle
followup from a previous post: I'm studying the solution (posted below), some questions . . . so this TABLE( SELECT COLLECT(LEVEL) FROM DUAL CONNECT BY LEVEL <= LENGTH(x.stripped_mtg_time) -..... https://www.experts-exchange.c Oracle convert a string field with a list of elements in a set of rows ...
Using REGEXP_SUBSTR you can extract only one of the 4 matches (A,B,C,D): the regex [^,]+ matches any character sequence in the string which does not contain a ... which not only contains all 4 result... https://anonymousbi.wordpress. Question about CONNECT BY LEVEL - Ask Tom - Oracle
I have a very cool SQL (given to me) that is used for parsing a string that I need help trying to understand. -- Parse routine. BEGIN -- Parse into separate variables. FOR parse_rec IN (WITH t AS (SE... https://asktom.oracle.com regexp substr - oracle SQL: improve connect by clause - Stack Overflow
Normalization issues not withstanding, your original query actually does not work. When run on your test data: SQL> with Table_1(id, column1) as ( 2 select 10, 'abc, kdm' from dual 3 union... https://stackoverflow.com REGEXP_SUBSTR
REGEXP_SUBSTR extends the functionality of the SUBSTR function by letting you search a string for a regular expression pattern. It is also similar to REGEXP_INSTR , but instead of returning the positi... https://docs.oracle.com sql - connect by clause in regex_substr - Stack Overflow
The "abuse" (as Colin 't Hart put it) of connected by has a good purpose here: by using REGEXP_SUBSTR you can extract only one of the 4 matches (23,34,45,56): the regex [^,]+ ... The fi... https://stackoverflow.com sql - Split string in Oracle with regexp_substr in order - Stack ...
You don't need a DISTINCT to get your result; besides, to get the result in a given order, all you need is an ORDER BY clause: select trim(regexp_substr('bbb;aaa;qqq;ccc','[^;]+',... https://stackoverflow.com SQL: Replacing "CONNECT BY" with recursive subquery - Oracle Blogs
In my previous post, I used "CONNECT BY" clause. SQL: Delimited list of values as in-line view. csv on memory (INOUE Katsumi @ Tokyo) select regexp_substr('KING,T... https://blogs.oracle.com Using Oracle REGEXP_SUBSTR function & CONNECT BY LEVEL ...
SQL / PL/SQL. Using Oracle REGEXP_SUBSTR function & CONNECT BY LEVEL clause to Decompose String. col String format a10 select REGEXP_SUBSTR('123,456,789','[^,]+',1,LEVEL) as Strin... http://blog.xuite.net using Oracle SQL - regexp_substr to split a record - Stack Overflow
Error 1: The expression in CONNECT BY clause is unary. You have to specify both left and right hand side operands. Try something like, CONNECT BY REGEXP_SUBSTR (expression.num_mai,'[^;|,]+',1... https://stackoverflow.com |