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100 results for “QuanwenZhao”
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RE: https://techhub.social/@QuanwenZhao/116571178415716613
Now you can directly play the audio online for the free version because I’ve updated the business logic, in other words, secretly adding the webURL location of .m4a in the .html ...
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New Blog: LiveSQL is gonna improve - https://quanwenzhao.wordpress.com/2025/06/06/livesql-is-gonna-improve/ @oracledatabase #LiveSQL
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New Blog Post: Playing with (Simulating ORA-30926 on 19c vs 23ai) on Live SQL - https://quanwenzhao.wordpress.com/2025/05/31/playing-with-simulating-ora-30926-on-19c-vs-23ai-on-live-sql/
@oracledatabase #OracleDevs #OracleUniversity #OracleUserGroups #OracleLiveSQL #OracleAskTOM #DevGym #19c #23ai #merge #SQL #PLSQL #ORA30926 #demo -
Fresh New Blog: Simulating ORA-30926 on 19c vs 23ai https://quanwenzhao.wordpress.com/2025/05/25/simulating-ora-30926-on-19c-vs-23ai/
@oracledatabase @oracleasktom #oracledevelopers #oracleuniversity #19c #23ai #SQL #ora30926 #demos #LiveSQL #LiveSQLv2 -
New Blog Post: do not panic for “ORA-01403: no data found” - https://quanwenzhao.wordpress.com/2025/04/25/do-not-panic-for-ora-01403-no-data-found/
@oracledatabase @oracleasktom #LiveSQLv2 #23ai #SQL #PLSQL #DevGym #OracleUserGroups -
New Blog Post: Oracle treasure resource you probably never know - https://quanwenzhao.wordpress.com/2024/07/21/oracle-treasure-resource-you-probably-never-know/
@oracledatabase #OracleAskTOM #OracleLiveSQL #OracleLiveLabs #DevGym #SQuizL -
Fresh Blog: Setting table column data type sensibly - https://quanwenzhao.wordpress.com/2024/05/26/setting-table-column-data-type-sensibly/ @oracledatabase #SQuizL #SQL #ORDER_BY #Table_design
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New blog on Nov: Troubleshooting ORA-01555 - https://quanwenzhao.wordpress.com/2023/11/12/troubleshooting-ora-01555/ @oracledatabase #sql #sql_tuning #execution_plan #undo_tablespace #undo_retention
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New blog on Nov: Troubleshooting ORA-01555 - https://quanwenzhao.wordpress.com/2023/11/12/troubleshooting-ora-01555/ @oracledatabase #sql #sql_tuning #execution_plan #undo_tablespace #undo_retention
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New blog on Nov: Troubleshooting ORA-01555 - https://quanwenzhao.wordpress.com/2023/11/12/troubleshooting-ora-01555/ @oracledatabase #sql #sql_tuning #execution_plan #undo_tablespace #undo_retention
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The 1st new blog on Sep: Be careful when silently installing oracle database software by response file - https://quanwenzhao.wordpress.com/2023/09/04/be-careful-when-silently-installing-oracle-database-software-by-response-file/ 😜 @oracledatabase #Installing #OracleDB #Shell #TroubleShooting
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Fresh Blog: By re-writing query to optimize oracle top sql - https://quanwenzhao.wordpress.com/2023/06/24/by-re-writing-query-to-optimize-oracle-top-sql/ 😜 @oracledatabase #RAC #SQL #SQLTuning
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Fresh Blog: Three number of case study for oracle database - https://quanwenzhao.wordpress.com/2023/05/01/three-number-of-case-study-for-oracle-database/ @oracledatabase #casestudy #rman #rac #tns
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New Blog: ORA-00230: operation disallowed: snapshot control file enqueue unavailable - https://quanwenzhao.wordpress.com/2023/04/17/ora-00230-operation-disallowed-snapshot-control-file-enqueue-unavailable/ @oracledatabase #rman #troubleshooting
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Fresh Blog Post: Troubleshooting RMAN-06067: RECOVER DATABASE required with a backup or created control file - https://quanwenzhao.wordpress.com/2023/04/05/troubleshooting-rman-06067-recover-database-required-with-a-backup-or-created-control-file/ @oracledatabase #rman #cdb_pdb
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New Blog Post: How to acquire Oracle RMAN backupset total size for ASM - https://quanwenzhao.wordpress.com/2023/02/26/how-to-acquire-oracle-rman-backupset-total-size-for-asm/ @oracledatabase #sql #rman #asm #rac
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Speed SQL results for quiz on 16-MAR-2026
Attempt #1: 9 correct in 56 seconds
✔ ✔ ✔ ✔ ✔ ✖ ✔ ✔ ✔ ✔
#SpeedSQL https://devgym.oracle.com/pls/apex/f?p=10001:5000 -
SQuizL 16-MAR-26
1/6 guesses
76 seconds
🟩🟩🟩🟩🟦🟩🟩 -
Speed SQL results for quiz on 15-MAR-2026
Attempt #1: 10 correct in 60 seconds
✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
#SpeedSQL https://devgym.oracle.com/pls/apex/f?p=10001:5000 -
Speed SQL results for quiz on 12-MAR-2026
Attempt #1: 10 correct in 48 seconds
✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
#SpeedSQL https://devgym.oracle.com/pls/apex/f?p=10001:5000 -
SQuizL 12-MAR-26
2/6 guesses
341 seconds
🟩🟩🟨🟨⬜⬜🟩
🟩🟩🟩🟩🟩🟩🟩 -
Speed SQL results for quiz on 11-MAR-2026
Attempt #1: 9 correct in 54 seconds
✔ ✔ ✔ ✔ ✔ ✔ ✔ ✖ ✔ ✔
#SpeedSQL https://devgym.oracle.com/pls/apex/f?p=10001:5000 -
SQuizL 11-MAR-26
1/6 guesses
67 seconds
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Speed SQL results for quiz on 09-MAR-2026
Attempt #2: 10 correct in 48 seconds
✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔
#SpeedSQL https://devgym.oracle.com/pls/apex/f?p=10001:5000
