current location：Home > Technical Articles > Database
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
-
- 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
- Oracle 843 2025-03-13 13:26:33
-
- 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.
- Oracle 1054 2025-03-13 13:20:16
-
- 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
- Oracle 669 2025-03-13 13:19:14
-
- 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
- Oracle 678 2025-03-13 13:18:18
-
- 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
- Oracle 384 2025-03-13 13:17:17
-
- 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
- Oracle 1144 2025-03-13 13:16:17
-
- 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
- Oracle 388 2025-03-13 13:15:17
-
- 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
- Oracle 643 2025-03-13 13:14:20
-
- 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
- Oracle 910 2025-03-13 13:13:17
-
- 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
- Oracle 294 2025-03-13 13:12:17
-
- 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
- Oracle 887 2025-03-13 13:11:15
-
- 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
- Oracle 206 2025-03-13 13:10:16
-
- How do I use MongoDB Atlas, the cloud-based MongoDB service?
- This article guides users through MongoDB Atlas, a cloud-based NoSQL database. It covers setup, cluster management, data handling, scaling, security, and optimization strategies, highlighting key differences from self-hosted MongoDB and emphasizing
- MongoDB 833 2025-03-13 13:09:17
-
- How do I use the MongoDB Compass GUI to manage and query data?
- This article explains how to use MongoDB Compass, a GUI for managing and querying MongoDB databases. It covers connecting, navigating databases, querying with a visual builder, data manipulation, and import/export. While efficient for smaller datas
- MongoDB 465 2025-03-13 13:08:17
-
- How do I integrate MongoDB with different programming languages (Python, Java, Node.js)?
- This article details integrating MongoDB with Python, Java, and Node.js, showcasing code examples for each. It emphasizes best practices for database security, including authentication, authorization, and network security. While driver efficiency v
- MongoDB 1056 2025-03-13 13:07:20
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
