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Technical Articles

Database

Oracle

How do I optimize Oracle Database for OLTP (Online Transaction Processing) workloads?

The article discusses optimizing Oracle Database for OLTP, focusing on buffer cache management, redo log configuration, and indexing strategies to enhance transaction processing efficiency.

Mar 14, 2025 pm 05:39 PM

How do I monitor Oracle Database performance using Enterprise Manager (OEM)?

The article details how to monitor Oracle Database performance using Oracle Enterprise Manager (OEM), focusing on accessing OEM, using performance tools, key metrics, setting alerts, and tracking historical data.Word count: 159

Mar 13, 2025 pm 01:28 PM

How do I clone an Oracle Database?

The article discusses cloning an Oracle Database for testing, development, or disaster recovery, detailing steps and prerequisites. It covers using RMAN, Oracle Data Pump, and OEM for cloning, and highlights risks like data inconsistency and security

Mar 13, 2025 pm 01:26 PM

How do I configure auditing in Oracle Database to track user activity?

Oracle Database auditing tracks user activities for security and compliance. The article discusses enabling auditing, setting audit trail destinations, defining audit conditions, and managing audit logs.

Mar 13, 2025 pm 01:20 PM

How do I use Oracle Data Masking and Subsetting to protect sensitive data?

This article details Oracle Data Masking and Subsetting (DMS), a solution for protecting sensitive data. It covers identifying sensitive data, defining masking rules (shuffling, substitution, randomization), setting up jobs, monitoring, and deployme

Mar 13, 2025 pm 01:19 PM

How do I implement security policies in Oracle Database using Virtual Private Database (VPD)?

This article details implementing Oracle database security policies using Virtual Private Databases (VPD). It explains creating and managing VPD policies via functions that filter data based on user context, highlighting best practices like least p

Mar 13, 2025 pm 01:18 PM

How do I use dynamic SQL in PL/SQL?

This article explains Dynamic SQL in PL/SQL, focusing on its uses, security risks (SQL injection), and performance optimization. It details mitigation strategies like bind variables and input validation, advocating for best practices to ensure secur

Mar 13, 2025 pm 01:17 PM

How do I use cursors in PL/SQL to process multiple rows of data?

This article explains PL/SQL cursors for row-by-row data processing. It details cursor declaration, opening, fetching, and closing, comparing implicit, explicit, and ref cursors. Techniques for efficient large dataset handling and using FOR loops

Mar 13, 2025 pm 01:16 PM

How do I use collections in PL/SQL (arrays, records, tables)?

This article explores PL/SQL collections (records, nested tables, associative arrays), comparing their performance and demonstrating efficient usage. It emphasizes choosing the right collection type for optimal performance based on data structure an

Mar 13, 2025 pm 01:15 PM

How do I handle exceptions in PL/SQL?

This article details PL/SQL exception handling. It covers built-in exceptions (NO_DATA_FOUND, ZERO_DIVIDE, etc.), the EXCEPTION block structure, best practices for using WHEN OTHERS, and techniques for improving error logging and handling, includi

Mar 13, 2025 pm 01:14 PM

How do I use triggers in Oracle Database to automate tasks?

Oracle triggers automate database tasks via PL/SQL code execution upon specific events (INSERT, UPDATE, DELETE). They enforce business rules, validate data, and maintain integrity. Effective trigger design prioritizes simplicity, appropriate timing

Mar 13, 2025 pm 01:13 PM

How do I create and use stored procedures and functions in PL/SQL?

This article details creating and using PL/SQL stored procedures and functions. It explains their syntax, differences (procedures perform actions, functions return values), optimization techniques (bulk operations, index usage), and error handling u

Mar 13, 2025 pm 01:12 PM

How do I create and use materialized views in Oracle Database for data warehousing?

This article details creating and using materialized views in Oracle data warehousing. It addresses performance optimization by pre-computing query results, focusing on creation, storage options, refresh methods (complete, fast, force, on commit), a

Mar 13, 2025 pm 01:11 PM

How do I create and use views in Oracle Database?

This article explains how to create, use, and manage views in Oracle databases. It details view creation syntax, usage in queries, and security via permissions. The main focus is leveraging views for data security, simplification, and efficient dat

Mar 13, 2025 pm 01:10 PM