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- How does MySQL differ from SQLite?
- The main difference between MySQL and SQLite is the design concept and usage scenarios: 1. MySQL is suitable for large applications and enterprise-level solutions, supporting high performance and high concurrency; 2. SQLite is suitable for mobile applications and desktop software, lightweight and easy to embed.
- Mysql Tutorial . Database 969 2025-04-24 00:12:51
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- How do you handle sessions in a stateless environment (e.g., API)?
- Managing sessions in stateless environments such as APIs can be achieved by using JWT or cookies. 1. JWT is suitable for statelessness and scalability, but it is large in size when it comes to big data. 2.Cookies are more traditional and easy to implement, but they need to be configured with caution to ensure security.
- PHP Tutorial . Backend Development 182 2025-04-24 00:12:20
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- What are indexes in MySQL, and how do they improve performance?
- Indexes in MySQL are an ordered structure of one or more columns in a database table, used to speed up data retrieval. 1) Indexes improve query speed by reducing the amount of scanned data. 2) B-Tree index uses a balanced tree structure, which is suitable for range query and sorting. 3) Use CREATEINDEX statements to create indexes, such as CREATEINDEXidx_customer_idONorders(customer_id). 4) Composite indexes can optimize multi-column queries, such as CREATEINDEXidx_customer_orderONorders(customer_id,order_date). 5) Use EXPLAIN to analyze query plans and avoid
- Mysql Tutorial . Database 463 2025-04-24 00:09:31
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- Explain how to use transactions in MySQL to ensure data consistency.
- Using transactions in MySQL ensures data consistency. 1) Start the transaction through STARTTRANSACTION, and then execute SQL operations and submit it with COMMIT or ROLLBACK. 2) Use SAVEPOINT to set a save point to allow partial rollback. 3) Performance optimization suggestions include shortening transaction time, avoiding large-scale queries and using isolation levels reasonably.
- Mysql Tutorial . Database 313 2025-04-24 00:09:11
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- In what scenarios might you choose PostgreSQL over MySQL?
- Scenarios where PostgreSQL is chosen instead of MySQL include: 1) complex queries and advanced SQL functions, 2) strict data integrity and ACID compliance, 3) advanced spatial functions are required, and 4) high performance is required when processing large data sets. PostgreSQL performs well in these aspects and is suitable for projects that require complex data processing and high data integrity.
- Mysql Tutorial . Database 306 2025-04-24 00:07:30
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- How can you secure a MySQL database?
- The security of MySQL database can be achieved through the following measures: 1. User permission management: Strictly control access rights through CREATEUSER and GRANT commands. 2. Encrypted transmission: Configure SSL/TLS to ensure data transmission security. 3. Database backup and recovery: Use mysqldump or mysqlpump to regularly backup data. 4. Advanced security policy: Use a firewall to restrict access and enable audit logging operations. 5. Performance optimization and best practices: Take into account both safety and performance through indexing and query optimization and regular maintenance.
- Mysql Tutorial . Database 788 2025-04-24 00:04:31
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- How can you validate your HTML code?
- HTML code can be cleaner with online validators, integrated tools and automated processes. 1) Use W3CMarkupValidationService to verify HTML code online. 2) Install and configure HTMLHint extension in VisualStudioCode for real-time verification. 3) Use HTMLTidy to automatically verify and clean HTML files in the construction process.
- HTML Tutorial . Web Front-end 866 2025-04-24 00:04:11
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- Next Level CSS Styling for Cursors
- Custom cursors with CSS are great, but we can take things to the next level with JavaScript. Using JavaScript, we can transition between cursor states, place dynamic text within the cursor, apply complex animations, and apply filters.
- CSS Tutorial . Web Front-end 243 2025-04-23 11:04:11
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- Worlds Collide: Keyframe Collision Detection Using Style Queries
- Interactive CSS animations with elements ricocheting off each other seem more plausible in 2025. While it’s unnecessary to implement Pong in CSS, the increasing flexibility and power of CSS reinforce Lee's suspicion that one day it will be a
- CSS Tutorial . Web Front-end 422 2025-04-23 10:42:10
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- Using CSS backdrop-filter for UI Effects
- Tips and tricks on utilizing the CSS backdrop-filter property to style user interfaces. You’ll learn how to layer backdrop filters among multiple elements, and integrate them with other CSS graphical effects to create elaborate designs.
- CSS Tutorial . Web Front-end 973 2025-04-23 10:20:13
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- SMIL on?
- Well, it turns out that SVG's built-in animation features were never deprecated as planned. Sure, CSS and JavaScript are more than capable of carrying the load, but it's good to know that SMIL is not dead in the water as previously
- CSS Tutorial . Web Front-end 699 2025-04-23 09:57:08
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- 'Pretty' is in the eye of the beholder
- Yay, let's jump for text-wrap: pretty landing in Safari Technology Preview! But beware that it's different from how it works in Chromium browsers.
- CSS Tutorial . Web Front-end 904 2025-04-23 09:40:12
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- CSS-Tricks Chronicles XLIII
- This CSS-Tricks update highlights significant progress in the Almanac, recent podcast appearances, a new CSS counters guide, and the addition of several new authors contributing valuable content.
- CSS Tutorial . Web Front-end 731 2025-04-23 09:35:10
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- Tailwind's @apply Feature is Better Than it Sounds
- Most of the time, people showcase Tailwind's @apply feature with one of Tailwind's single-property utilities (which changes a single CSS declaration). When showcased this way, @apply doesn't sound promising at all. So obvio
- CSS Tutorial . Web Front-end 167 2025-04-23 09:23:09
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