Database Administration (MOSC)

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Packages dependent by db links invalidated without reason

edited Feb 13, 2018 11:27AM in Database Administration (MOSC) 8 commentsAnswered

Hello, everyone,

Please help me to debug one problem issued between  two databases connected through database link.

One database is by 11.1.0.7 version and the second one was recently upgraded from 10.2.0.5 to 12.1.0.2 via export/import. On 11.1.0.7 database there are many packages dependent by one database link from this db to 12.1.0.2 database. The problem appeared when these 11.1.0.7 packages dependent by this database link became suddenly invalids on the same time and this happened without to make changes (DDLs or compilation) on 12c database. Before to upgrade the target database from 10.2.10.5 to 12c the database link from 11.1.0.7 database to 10g did not generate any problems.

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