Featured blog posts
Oracle PDB Default Service Limiting SQL Parallelism
Oracle PDB Default Service Limiting SQL Parallelism
Jure Bratina
Published : Jun 11, 2025
Last Updated : Jun 13, 2025
6
min read
DML Part of a Parallel INSERT Suddenly Started to Execute Serially in Oracle
DML Part of a Parallel INSERT Suddenly Started to Execute Serially in Oracle
Jure Bratina
Published : May 6, 2025
Last Updated : May 6, 2025
7
min read
Oracle Database Migrated to Cloud Starts Experiencing "log file sync" Waits
Oracle Database Migrated to Cloud Starts Experiencing "log file sync" Waits
Jure Bratina
Published : Sep 29, 2023
Last Updated : Sep 29, 2023
19
min read
Investigating a Chain of Events Resulting in Occasional Query’s Degraded Performance in Oracle
Investigating a Chain of Events Resulting in Occasional Query’s Degraded Performance in Oracle
Jure Bratina
Published : Jul 18, 2023
Last Updated : May 29, 2023
7
min read
Interesting variations in outcome when cloning a CDB with a subset of PDBs in Oracle
Interesting variations in outcome when cloning a CDB with a subset of PDBs in Oracle
Jure Bratina
Published : Jul 18, 2023
Last Updated : Nov 15, 2022
11
min read
After logon trigger in user schema and FRA full situation hang the database
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After logon trigger in user schema and FRA full situation hang the database
Jure Bratina
Published : Jul 18, 2023
Last Updated : Sep 16, 2022
15
min read
Database Upgrade Fails With “unexpected error in validate_credentials”
Database Upgrade Fails With “unexpected error in validate_credentials”
Jure Bratina
Published : Jul 18, 2023
Last Updated : Nov 12, 2021
10
min read
Statspack vs. AWR: Wrong number of SQL Executions
Statspack vs. AWR: Wrong number of SQL Executions
Jure Bratina
Published : Jul 18, 2023
Last Updated : Oct 27, 2021
9
min read
Issues With Database Service Names Starting With Pluggable Database (PDB) Name
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Issues With Database Service Names Starting With Pluggable Database (PDB) Name
Jure Bratina
Published : Aug 24, 2023
Last Updated : Nov 5, 2020
9
min read
Query Statspack's "SQL ordered by" Sections Over a Time Period
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Query Statspack's "SQL ordered by" Sections Over a Time Period
Jure Bratina
Published : Aug 24, 2023
Last Updated : Aug 25, 2020
10
min read
Mining Statspack and AWR Repositories for Historical Trends
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Mining Statspack and AWR Repositories for Historical Trends
Jure Bratina
Published : Aug 24, 2023
Last Updated : Aug 10, 2020
14
min read
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