OPATCHAUTO-72083: Performing bootstrap operations failed OPATCHAUTO-72146: Failed to load patch !!
Problem:While patching 19.3 GRID_HOME with July2019 RU patch 19.4 I got this error: Solution:The problem…
Read MoreInstance Recovery in Oracle
Instance recovery is the process of applying records in the online redo log to data…
Read MoreOracle Instance and Database Startup Sequence
Typically, you manually start an instance, and then mount and open the database, making it…
Read MoreOnline Redo Log in Oracle (Physical Storage)
The most crucial structure for recovery is the online redo log, which consists of two…
Read MoreDeadlocks (ORA-00060) in Oracle
A deadlock is a situation in which two or more users are waiting for data…
Read MorePart 4: Check Constraints in SQL
A check constraint on a column or set of columns requires that a specified condition…
Read MoreData Dictionary in Oracle
The central set of read-only reference tables and views of each Oracle database is known…
Read MorePart 2: NOT NULL & Unique Constraints in SQL
NOT NULL Constraints The NOT NULL constraint ensures that the column contains no null values.…
Read MorePart 1: Constraints in SQL
Purpose: Use a constraint to define an integrity constraint—a rule that restricts the values in…
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