Oracle Logical Standby Architecture | Oracle 12c Data Guard Administration 

Logical Standby Database. A logical #standby mines the primary #database redo and reconstructs the higher level #SQL operations that resulted in the database change, and then applies these SQL statements to maintain the standby database. The benefits to using a logical standby is that. It can be open for reads.
00:00 Logical standby
05:48 Benefit of logical standby
09:27 Issues with logical standby
09:45 Issues with the Objects
10:24 Issues with the Schemas
11:23 Issues with DBA
13:10 Important thing to know
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