Course Introduction：SQL, PL-SQL, and T-SQL: Differences and Usage ScenariosUnderstanding the distinctions between SQL, PL-SQL, and T-SQL is crucial for effective...
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Course Introduction：Exploring the Differences: SQL vs. PL-SQL vs. T-SQLIn the realm of database programming, three prominent languages often emerge: SQL, PL-SQL, and...
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Course Introduction：Dynamic SQL: EXEC(@SQL) vs. EXEC SP_EXECUTESQL()When executing dynamic SQL commands in stored procedures, two options are primarily used in SQL...
2025-01-10 comment 0 953
Course Introduction：Database/SQL Batching SQL StatementsQuestion:In Java, batching SQL statements with the database/sql package is straightforward. How can you...
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Course Introduction：SQL Parameters: Preventing SQL Injection AttacksWhen writing SQL statements, it is essential to utilize parameters over directly embedding...
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Course Elementary 17478
Course Introduction：This course in "SQL Fun Class" can be used to learn databases or as review materials! ! There are basic questions in the course. It’s fun to do the questions step by step like a game. Let’s learn together! !
Course Elementary 9876
Course Introduction：SQL (Structured Query Language) is used to manage relational database management systems (RDBMS). The scope of SQL includes data insertion, query, update and deletion, database schema creation and modification, and data access control.
Course Elementary 51436
Course Introduction："SQL Development Manual" is the latest official SQL online manual. In this sql document, you will learn how to use sql to access, process system data and other sql knowledge. It is an important reference manual for sql learners!
Course Intermediate 5033
Course Introduction：MySQL installation and configuration under Linux, database logical layering, parsing process, index, detailed analysis of SQL execution plan, principles to avoid index failure, optimization cases, common optimization strategies, slow SQL troubleshooting, simulation of massive data, lock mechanism, MySQL under windows and linux Master-slave replication.
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php - Overhead of prepare vs sql?
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How to print sql statements except queries
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Pass array to SQL insert query using PHP
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How to optimize sql query select id from user where phone=’131′ or phone=’139′
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