oracle19c

问题 We have upgraded Oracle to 19C and also upgraded the Oracle.ManagedDataAccess package to 19.6. However, when we try to open our application on Oracle database 12 then it is showing error, as some machines still has Oracle 12 (Old) database. can someone please share the Oracle Data Provider (ODP.Net) compatibility details with Oracle Clients? 回答1: The error message does not indicate any incompatibility. Looks like the Oracle.ManagedDataAccess driver does not find your tnsnames.ora file Have a

来源： https://stackoverflow.com/questions/64388571/update-a-json-column-after-use-json-mergepatch

来源： https://stackoverflow.com/questions/63144502/unable-to-select-from-sys-all-indexes-sys-user-tables-sys-all-tables

来源： https://stackoverflow.com/questions/63144502/unable-to-select-from-sys-all-indexes-sys-user-tables-sys-all-tables

问题 Oracle's SQL Developer doesn't display the content of XML columns when the datatype XMLType is used. The first lines are displayed ok (if Preferences > Database > Advanced > Display XML Value in Grid is ticked), but once you doubleclick on the little yellow pencil, the "View Value" window remains empty. Curiously, it works if you store the XML in a clob. CREATE TABLE t (x XMLTYPE, c CLOB); INSERT INTO t VALUES (XMLTYPE('<x/>'), '<x/>'); COMMIT; SELECT * FROM t; After a lot of internet search,

问题 Oracle's SQL Developer doesn't display the content of XML columns when the datatype XMLType is used. The first lines are displayed ok (if Preferences > Database > Advanced > Display XML Value in Grid is ticked), but once you doubleclick on the little yellow pencil, the "View Value" window remains empty. Curiously, it works if you store the XML in a clob. CREATE TABLE t (x XMLTYPE, c CLOB); INSERT INTO t VALUES (XMLTYPE('<x/>'), '<x/>'); COMMIT; SELECT * FROM t; After a lot of internet search,

问题 One of our database was upgraded to Oracle 19c and now my application is unable to connect to database I am getting the following error. HHH000400: Using dialect: org.hibernate.dialect.Oracle12cDialect HHH000342: Could not obtain connection to query metadata : Unable to determine Dialect to use [name=Oracle, majorVersion=19]; user must register resolver or explicitly set 'hibernate.dialect' I searched for dialect for oracle 19 but could't find any . Is there is a dialect available for oracle