Course Introduction：Understanding the Relationships between Catalogs, Schemas, Users, and Database InstancesIdentifying database objects across different database...

2024-11-04 comment 0  612

Course Introduction：Exporting a MySQL Database to a SQLite DatabaseExporting data from a MySQL database to a SQLite database can be a useful process for various...

2024-11-04 comment 0  830

Course Introduction：Oracle database deletion needs to be evaluated based on the deletion object (the entire database instance or a single database/object) and authorization permissions. There are many ways to delete it: DROP DATABASE command: simple but high risk, and it must include the INCLUDING DATAFILES clause. Manually deleting database files: extremely risky, it is only recommended that experts use it when there is a complete backup. Use RMAN to delete: safe and reliable, recommended. Dependencies need to be handled before deletion, and common errors such as permissions and file occupation should be handled with caution. Appropriate backup strategies and reasonable database architecture can optimize the deletion process.

2025-04-11 comment 0  1177

Course Introduction：Using MySQL Database with Java: Error "No Database Selected"In the Java code provided, an attempt is made to retrieve data from a MySQL database...

2024-10-31 comment 0  560

Course Introduction：Troubleshooting "Unknown Database Error" in PHP When Database Exists in PHPMyAdminWhen connecting to a MySQL database using PHP, developers may...

2024-10-30 comment 0  1160

Course Intermediate  8770

Course Introduction：Many programmers who have worked for many years still have a very basic understanding of databases. They are confused as soon as they go out for interviews. They don’t understand basic SQL statements, more complex SQL queries, and SQL statement optimization. They don’t even know how to use them. Redis improves system performance and can withstand tens of millions of concurrencies. This set of courses will help you thoroughly understand MySQL locks, execution plans, indexes, MVCC & Redis transactions, cache, breakdown, penetration, avalanche, warm-up, etc., and you can complete all database interviews in one set!

Course Advanced  11040

Course Introduction：SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.

Course Advanced  29905

Course Introduction："Database MySQL Video Tutorial" provides a basic introduction to the database, allowing everyone to first understand the MySQL database, and then explain the DOS operation database.

Course Elementary  21523

Course Introduction：Use PDO mode (PHP data object) to connect and select databases (unified operation of various databases), execute SQL statements and process result sets

Course Advanced  11227

Course Introduction：SSDB is a high-performance NoSQL database developed in C/C++ language. It supports KV, list, map(hash), zset(sorted set), qlist(queue) and other data structures. It is used to replace or cooperate with Redis to store billion-level lists. The data.SSDB is stable, used in production environments, and has been used in many Internet companies_From the SSDB Database User Manual