oracle11g

问题 Given this string: .ABC,.123,.FGH,.QDG How can I most-efficiently use PL/SQL to output (note the ", and"): abc, 123, fgh, and qdg So far I've got LOWER(REPLACE('.ABC,.123,.FGH,.QDG', '.', ' ')) , which yields abc, 123, fgh, qdg How do I get that "and" after "fgh,", but before "qdg" ("fgh, and qdg")? Must I use INSTR() and SUBSTR() , or is there a function that can just replace the last space with " and "? 回答1: Building on what you used already... use regexp_replace with instr with cte as(

问题 I want to get milliseconds from date field of oracle for date "01-01-9999". I have created below block to achieve the same. set serveroutput on; declare base_point constant timestamp := to_timestamp_tz('01-JAN-1970 00:00:00.000+00:00', 'DD-Mon-RR HH24:MI:SS.FFTZH:TZM') AT TIME ZONE 'UTC'; now timestamp := to_timestamp_tz('01-01-2099 00:00:00.000+00:00', 'DD-MM-RR HH24:MI:SS.FFTZH:TZM') AT TIME ZONE 'UTC'; -- now constant timestamp := systimestamp AT TIME ZONE 'UTC' ; n number; begin select to

来源： https://stackoverflow.com/questions/64596861/how-do-i-insert-a-dataframe-to-an-oracle-table-illegal-variable-oracle

来源： https://stackoverflow.com/questions/34396818/oracle-sql-is-order-by-non-unique-field-deterministic

来源： https://stackoverflow.com/questions/34396818/oracle-sql-is-order-by-non-unique-field-deterministic

来源： https://stackoverflow.com/questions/34396818/oracle-sql-is-order-by-non-unique-field-deterministic

来源： https://stackoverflow.com/questions/34396818/oracle-sql-is-order-by-non-unique-field-deterministic

来源： https://stackoverflow.com/questions/40594466/can-i-group-by-in-sql-query-with-window-function

来源： https://stackoverflow.com/questions/64197582/error-in-concatenation-of-listagg-functionnot-a-duplicate-question

来源： https://stackoverflow.com/questions/50537106/fonts-in-oracle-reports-11g