SQL is a database query language consisting of what types_______________?
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Answer: D. All of the above
Explanation
SQL is a comprehensive database language that includes Data Definition Language (DDL), Data Manipulation Language (DML), and Data Control Language (DCL). DDL commands manage table structures, DML queries handle data records, and DCL controls user permissions. Together these distinct sub-languages provide a complete toolkit for relational database management systems. SQL stands for Structured Query Language, which is the international standard for database interaction. Relational databases organize information into tables with rows and columns enforced by strict schemas. Database administrators rely on these specialized sub-languages to maintain security and data integrity.
Software developers use SQL daily to build backend systems that power modern web applications. Enterprise databases require robust access controls and data manipulation tools to handle millions of transactions. Mastering all aspects of SQL is essential for database administrators and data analysts alike. Data definition language only covers creating and altering database schemas and table structures. Data manipulation language focuses strictly on inserting, updating, and querying table records. Data control language manages security privileges and access rights without altering table data.
- Subject
- Computer Science
- Category
- Computer Science
- Topic
- —
- Difficulty
- medium
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