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DML: Data Manipulation Language Overview
datasunrise.com/knowledge-center/dml-data-manipulation-language/Yapay zekadan makale özeti
- What is DML
- DML is a subset of SQL for modifying database data
- Enables CRUD operations: Insert, Read, Update, Delete
- Provides standardized data manipulation across different DBMS
- Main DML Commands
- INSERT adds new records to database tables
- SELECT retrieves data from one or more tables
- UPDATE modifies existing records based on conditions
- DELETE removes records based on specified conditions
- Implementation in Different DBMS
- Similar syntax across major RDBMS like SQL Server
- MongoDB provides similar functionality with different query languages
- NoSQL databases like MongoDB offer additional features
- Best Practices
- Use parameterized queries to prevent SQL injection
- Implement proper transaction handling for data integrity
- Validate and sanitize user input
- Regularly backup and monitor database activities
- Implement appropriate access controls for users