Usually whenever you download and start the latest version of SQL Developer, the new version checks for the older versions under Roaming profile & if found, prompts the user asking whether the existing preferences should be copied (that includes already saved connections and other setting you may have made), which may cause errors like the ONE I have had once after migrating 19.2.x to 19.4.x Go to user specific “AppData\Roaming” folder, eg: C:\Users\rajesh\AppData\RoamingĪnd delete both the folders, “SQL Developer” & “sqldeveloper”
Okay, so you switched to Oracle SQL Developer for the main reason that the suite is from Oracle & it is absolutely free and putting loads of efforts to get accustomed with certain “JAVA” platform limitations (as per developers).Įverything is fine until you start getting “ORA-20001: Oracle error -6502: ORA-06502: PL/SQL: numeric or value error: character string buffer too small has been detected in fnd_t_nls” or errors those WERE never happening while you were trying to execute years old PL/SQL blocks which were always completing successfully using Quest TOAD or at SQL prompt itself.īefore scavenging through your archives to find the Toad Installer for a re-installation, give the following exercise a try.
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