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Vahid Yousefzadeh

I have been a DBA since 2011 and I work with Oracle technology...

Joined Joined on  Email address vahidusefzadeh@gmail.com Personal website https://yousefzadeh-db.blogspot.com/
Restoring a Datafile Using Archivelogs
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Restoring a Datafile Using Archivelogs

#oracle #database #webdev #programming
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2 min read
Oracle AI Database 26ai — Managing AWR in Active Data Guard
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Oracle AI Database 26ai — Managing AWR in Active Data Guard

#26ai #oracle #database #webdev
1
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3 min read
Generating AWR Reports in an Active Data Guard using RMF(12.2)
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Generating AWR Reports in an Active Data Guard using RMF(12.2)

#oracle #database #linux #sql
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4 min read
Automatic Flashback (or PITR) Standby
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Automatic Flashback (or PITR) Standby

#oracle #database #linux #sql
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12 min read
Oracle AI Database 26ai - SQL Domain
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Oracle AI Database 26ai - SQL Domain

#oracle #26ai #database #ai
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6 min read
Adding PDB Resources in Grid Infrastructure
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Adding PDB Resources in Grid Infrastructure

#oracle #linux #database #sql
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2 min read
SESSION-LEVEL SEQUENCES
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SESSION-LEVEL SEQUENCES

#database #sql #tutorial
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1 min read
A Brief Review of Interval Partitioning
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A Brief Review of Interval Partitioning

#oracle #linux #database #sql
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6 min read
What’s New in Oracle AI Database 26ai? Exploring 50+ Major New Features
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What’s New in Oracle AI Database 26ai? Exploring 50+ Major New Features

#oracle #database #ai #linux
1
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5 min read
Oracle AI Database 26ai — Wide Tables
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Oracle AI Database 26ai — Wide Tables

#oracle26ai #ai #database #programming
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1 min read
Oracle AI Database 26ai— Automatic Transaction Rollback (Priority Transactions with high, medium and low priority)
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Oracle AI Database 26ai— Automatic Transaction Rollback (Priority Transactions with high, medium and low priority)

#oracle26ai #database #devops #linux
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3 min read
Oracle AI Database 26ai — Dictionary Protection
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Oracle AI Database 26ai — Dictionary Protection

#devops #linux #database #oracle26ai
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4 min read
FAR SYNC Data Guard
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FAR SYNC Data Guard

#oracle #devops #linux #database
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3 min read
Mandatory Profile in Oracle Database
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Mandatory Profile in Oracle Database

#oracle #linux #database #sql
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3 min read
Restoring a Lost Datafile from Standby Using RMAN
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Restoring a Lost Datafile from Standby Using RMAN

#oracle #devops #linux #database
1
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1 min read
Rolling Back Online Table Redefinition
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Rolling Back Online Table Redefinition

#oracle #devops #linux #sql
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2 min read
The dml_lock_timeout Parameter in the DBMS_REDEFINITION Package
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The dml_lock_timeout Parameter in the DBMS_REDEFINITION Package

#oracle #devops #linux #database
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1 min read
Oracle AI Database 26ai: Bind Variable Support in Materialized View Query Rewrite
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Oracle AI Database 26ai: Bind Variable Support in Materialized View Query Rewrite

#oracle26ai #devops #linux #data
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4 min read
PDB Recovery Isolation
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PDB Recovery Isolation

#oracle #linux #devops #database
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6 min read
DBMS_JOB and DBMS_SCHEDULER Integration in Oracle 19c
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DBMS_JOB and DBMS_SCHEDULER Integration in Oracle 19c

#oracle #devops #linux #database
2
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4 min read
Oracle AI Database 26ai: RESETTABLE Clause
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Oracle AI Database 26ai: RESETTABLE Clause

#oracle26ai #data #linux #devops
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2 min read
Oracle 21c — Using Result Cache in Standby
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Oracle 21c — Using Result Cache in Standby

#oracle #21c #oracle21c #database
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2 min read
Oracle AI Database 26ai: Filtering Analytic Function Results with the QUALIFY Clause
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Oracle AI Database 26ai: Filtering Analytic Function Results with the QUALIFY Clause

#oracle26ai #26ai #devops #database
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1 min read
Installing Oracle AI Database 26ai Free on Oracle Linux 9
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Installing Oracle AI Database 26ai Free on Oracle Linux 9

#oracle26ai #data #devops #linux
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5 min read
Oracle 21c — Removal of IGNORECASE and SEC_CASE_SENSITIVE_LOGON Parameters
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Oracle 21c — Removal of IGNORECASE and SEC_CASE_SENSITIVE_LOGON Parameters

#devops #oracle #database #linux
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2 min read
Expression-Based Parameter Value Feature in Oracle 21c
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Expression-Based Parameter Value Feature in Oracle 21c

#devops #oracle #linux #database
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1 min read
Oracle vs PostgreSQL: How Undo Tablespace and MVCC Handle Updates and Deletes
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Oracle vs PostgreSQL: How Undo Tablespace and MVCC Handle Updates and Deletes

#oracle #devops #postgres #database
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7 min read
Sequence Dynamic Cache Resizing in Oracle 21c and 19.10
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Sequence Dynamic Cache Resizing in Oracle 21c and 19.10

#oracle #devops #linux #sql
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3 min read
A Note on Taking Backups from Standby
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A Note on Taking Backups from Standby

#devops #oracle #linux #database
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2 min read
Buffer Busy Wait and Read by Other Session in Oracle
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Buffer Busy Wait and Read by Other Session in Oracle

#oracle #linux #database #sql
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4 min read
ALTER TABLE … MOVE ONLINE
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ALTER TABLE … MOVE ONLINE

#oracle #linux #devops #database
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1 min read
enq: TX — allocate ITL entry
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enq: TX — allocate ITL entry

#oracle #devops #linux #database
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9 min read
Hybrid Partition Table in Oracle 19c
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Hybrid Partition Table in Oracle 19c

#oracle #devops #linux #database
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3 min read
Reducing Unified Audit Trail Size in Oracle AI Database 26ai
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Reducing Unified Audit Trail Size in Oracle AI Database 26ai

#oracle #dba #database #linux
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3 min read
DataPump : Disabling the Use of Symbolic Links When Creating a Directory
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DataPump : Disabling the Use of Symbolic Links When Creating a Directory

#oracle #database #sql #linux
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2 min read
Resolving Missing Log Gaps in Data Guard
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Resolving Missing Log Gaps in Data Guard

#oracle #database #linux #rman
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4 min read
Oracle 19c — Audit Only Top-Level SQL Statements
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Oracle 19c — Audit Only Top-Level SQL Statements

#devops #oracle #database #linux
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3 min read
Schema Only Accounts Feature in Oracle 18c and 19c
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Schema Only Accounts Feature in Oracle 18c and 19c

#devops #oracle #linx #database
1
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4 min read
DataGuard DML Redirection(Oracle 19c and 18c)
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DataGuard DML Redirection(Oracle 19c and 18c)

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3 min read
SQL Diagnostic Report(26ai, 19.28)
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SQL Diagnostic Report(26ai, 19.28)

#oracle #devops #linux #database
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2 min read
Automatic Service Failback to Preferred Instance in Oracle RAC 19c
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Automatic Service Failback to Preferred Instance in Oracle RAC 19c

#oracle #database #devops #linux
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3 min read
Oracle 21c — Setting Compression Attribute for Indexes During Import
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Oracle 21c — Setting Compression Attribute for Indexes During Import

#oracle #database #linux #devops
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2 min read
Oracle Database 26ai,19c — RMAN Progress Status Report
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Oracle Database 26ai,19c — RMAN Progress Status Report

#devops #database #linux #oracle
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3 min read
Creating Gold Image from existing installed software(GI HOME and Oracle HOME)
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Creating Gold Image from existing installed software(GI HOME and Oracle HOME)

#devops #oracle #linux #database
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2 min read
Real-Time Statistics in Oracle 19c
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Real-Time Statistics in Oracle 19c

#oracle #webdev #programming #ai
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3 min read
Enhancements to the FOR Loop in Oracle 21c
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Enhancements to the FOR Loop in Oracle 21c

#oracle #linux #devops #database
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2 min read
Oracle AI Database 26ai(23.9) — GROUP BY ALL
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Oracle AI Database 26ai(23.9) — GROUP BY ALL

#oracle #devops #programming #database
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2 min read
Oracle 21c — Auditing for All Editions of an Object
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Oracle 21c — Auditing for All Editions of an Object

#oracle #devops #linux #database
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2 min read
Oracle AI Database 26ai (23.9) — Introducing Non-Positional INSERT INTO SET Clause
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Oracle AI Database 26ai (23.9) — Introducing Non-Positional INSERT INTO SET Clause

#oracle #devops #linux #database
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3 min read
Four Oracle AI Database 26ai Enhancements Now Available in Oracle 19c (19.28)
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Four Oracle AI Database 26ai Enhancements Now Available in Oracle 19c (19.28)

#oracle26ai #oracle19c #linux #database
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1 min read
Oracle AI Database 26ai: Using IF [NOT] EXISTS Clause When Creating or Dropping an Object
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Oracle AI Database 26ai: Using IF [NOT] EXISTS Clause When Creating or Dropping an Object

#oracle26ai #linux #data #programming
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2 min read
Oracle 21c — AutoUpgrade Enhancements for RAC
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Oracle 21c — AutoUpgrade Enhancements for RAC

#devops #oracle #database #linux
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1 min read
No more ALTER USER RENAME under Oracle 19c
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No more ALTER USER RENAME under Oracle 19c

#devops #oracle #database #linux
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2 min read
Oracle AI Database 26ai — error_message_details Parameter for Displaying Error Details
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Oracle AI Database 26ai — error_message_details Parameter for Displaying Error Details

#oracle26ai #webdev #programming #ai
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1 min read
ANY_VALUE Function in Oracle 21c
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ANY_VALUE Function in Oracle 21c

#linux #devops #database #data
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1 min read
Oracle 19c — Generating Reports for Hints Usage (HINT_REPORT)
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Oracle 19c — Generating Reports for Hints Usage (HINT_REPORT)

#devops #oracle #linux #database
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2 min read
Oracle AI Database 26ai — Identifying Data Dictionary Inconsistencies with DBMS_DICTIONARY_CHECK
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Oracle AI Database 26ai — Identifying Data Dictionary Inconsistencies with DBMS_DICTIONARY_CHECK

#oracle #database #linux #devops
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7 min read
CHECKSUM Function in Oracle 21c
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CHECKSUM Function in Oracle 21c

#oracle #devops #linux #sql
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2 min read
Oracle 19c — Grid Infrastructure Upgrade in Dry-Run Mode
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Oracle 19c — Grid Infrastructure Upgrade in Dry-Run Mode

#oracle #database #devops #linux
1
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2 min read
Oracle AI Database 26ai — Transport Tablespace over Network
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Oracle AI Database 26ai — Transport Tablespace over Network

#oracle26ai #linux #data #sql
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3 min read
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