Oracle Database Insights

The ultimate Oracle Database Knowledge Base, your one-stop destination for mastering Oracle Database management and operations. Our platform offers a comprehensive collection of resources designed to enhance your skills and knowledge. Dive into detailed troubleshooting guides to resolve common issues swiftly, follow step-by-step installation guides to set up your database environments efficiently, and explore expert-written articles that provide in-depth insights into advanced topics. Additionally, learn the art of performance tuning with our specialized resources to ensure your Oracle Database runs at peak efficiency. Whether you're a novice looking to learn the basics or a seasoned professional aiming to sharpen your expertise, our Knowledge Base is here to support your journey every step of the way.

Oracle Database Installation

How to install Oracle database 23c on Linux Step-by-Step?
How to install Oracle database 21c on Linux Step-by-Step?
How to Install Oracle Database 19c on Linux Step by Step?
Oracle 19c Silent Installation on Linux
Oracle Pluggable Database Automatic Startup
Automating Database Startup and Shutdown on Linux

Oracle Database Operation

Oracle Autonomous Database: Overview and Benefits
Oracle 23c New Features
Oracle Data Pump - expdp and impdp
Oracle 19c Flashback Database
Auditing Enhancements in Oracle Database 19c
How to Configure DataGuard in Oracle
Immutable Tables in Oracle Database 19c and 21c
Gradual Database Password Rollover Time in Oracle 19c & 21c
Dynamic CPU Scaling | Resource Manager | CPU_COUNT and CPU_MIN_COUNT

Oracle Database Performance Tuning

How to identify and troubleshoot deadlocks in the Oracle?
Oracle AWR Report | Automatic Workload Repository
SQL AWR Reports
Oracle Explain Plan | Understand & Analyze Oracle Execution Plans
Flushing a Bad SQL Plan from Shared Pool
SQL Tuning in Oracle with DBMS_SQLTUNE for Optimal Performance
Optimize Oracle SQL with SQL Health Check (SQLHC)
Real-Time Statistics in Oracle Database
Oracle Database Statistics and Cost-Based Optimizer for Performance
How to Check Oracle Database Statistics
Analyzing Top Wait Events in Oracle
Identifying Top Current SQL Queries Consuming Time in Oracle
Identifying Historically Expensive SQL Queries in Oracle
Retrieving SQL Version Information in Oracle
Analyzing Wait Events for Specific SQL in Oracle
Analyzing Wait Events for Specific SQL Between Time Intervals in Oracle
Identifying SQLs Causing Wait Events Between Snapshots in Oracle
How to Enable SQL Tracing for User Sessions in Oracle
How to identify table names for LOB segments in Oracle?
Checking Tablespace Usage in Oracle
How to Configure Huge Pages in Oracle
Automatic Indexing in Oracle Database 19c | DBMS_AUTO_INDEX

Oracle Problem Solving

[INS-08101] Unexpected error while executing the action at state: supportedOSCheck
Resolving ORA-00001: Unique Constraint Violated
ORA-00054: resource busy and acquire with NOWAIT specified
Resolving ORA-00257: Archiver Error. Connect Internal Only, Until Freed
ORA-00604: Error Occurred at Recursive SQL Level 1
ORA-00902: Invalid Datatype Error in Oracle
ORA-00904: Invalid Identifier
Resolving ORA-00907: Missing Right Parenthesis
How to Resolve ORA-00911: Invalid Character
Resolving ORA-00918: Column Ambiguously Defined
How to Resolve ORA-00932: Inconsistent Datatypes: Expected - Got CLOB
How to Resolve ORA-00933: SQL Command Not Properly Ended
ORA-00936: Missing Expression in Oracle
ORA-00955: SQL Statement Not Terminated in Oracle
Resolving ORA-01000: Maximum Open Cursors Exceeded
Resolving ORA-01008: Not All Variables Bound
ORA-01017: Invalid Username/Password; Logon Denied
How to Resolve ORA-01031: Insufficient Privileges
Resolving ORA-01034: Oracle Not Available
ORA-01400: Cannot Insert NULL Value into Column
How to Resolve ORA-01403: No Data Found
How to Resolve ORA-01422: Exact Fetch Returns More Than Requested Number of Rows
Resolving ORA-01461: Can Bind a LONG Value Only for Insert into a LONG Column
ORA-01564: Table or Index is in Access Mode
ORA-01555 Snapshot Too Old
ORA-01722: Invalid Number
ORA-01820: Format Code Unknown in Oracle
ORA-01821: SQL Statement Too Long - Understanding and Resolving the Error
Resolving ORA-01830: Date Format Picture Ends Before Converting Entire Input String
ORA-01843: Not a Valid Month Error in Oracle - Causes and Solutions
ORA-01858: Could Not Find Date Format Error
ORA-01861: Literal Does Not Match Format String
Resolving ORA-03113 End-of-File on Communication Channel
How to Resolve ORA-04030: Out of Process Memory
ORA-04031: Unable to Allocate X Bytes of Shared Memory
ORA-06502: PL/SQL: Numeric or Value Error in Oracle
Resolving ORA-06508: PL/SQL: Could Not Find Program Unit Being Called
ORA-12154: TNS: Could Not Resolve the Connect Identifier Specified
Resolving ORA-12505: TNS Listener Does Not Currently Know of SID
Resolving ORA-12519: TNS:no appropriate service handler found
Resolving ORA-12537: TNS: Connection Closed Error
Resolving ORA-12560 – TNS:protocol adapter error
Resolving ORA-20000: Buffer Overflow
Resolving ORA-20001: Maximum Web Service Requests Exceeded
Resolving ORA-27101: Shared Memory Realm Does Not Exist
Resolving ORA-3135: Connection Lost Contact

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Oracle Database Insights

Oracle Database Installation

Oracle Database Operation

Oracle Database Performance Tuning

Oracle Problem Solving