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Questions and Answers
What type of SQL command is DML?
What type of SQL command is DML?
- Data Migration Language
- Data Maintenance Language
- Data Manipulation Language (correct)
- Data Modeling Language
Which DML command is used to modify existing records in a table?
Which DML command is used to modify existing records in a table?
- INSERT
- UPDATE (correct)
- ALTER
- DELETE
What does the DELETE DML command do in SQL?
What does the DELETE DML command do in SQL?
- Modify existing records
- Delete existing records (correct)
- Change data types
- Add new records
Which of the following statements is TRUE about DML commands?
Which of the following statements is TRUE about DML commands?
If you want to add new records to a table, which DML command would you use?
If you want to add new records to a table, which DML command would you use?
Which DML command should you use to update existing records with a new value in SQL?
Which DML command should you use to update existing records with a new value in SQL?
What is the purpose of the INSERT command in SQL?
What is the purpose of the INSERT command in SQL?
If you want to change the structure of a table in SQL, which command would you use?
If you want to change the structure of a table in SQL, which command would you use?
Which DDL command can be confused with DML commands due to their similarity in dealing with data?
Which DDL command can be confused with DML commands due to their similarity in dealing with data?
In SQL, which command is NOT used to directly manipulate data within a table?
In SQL, which command is NOT used to directly manipulate data within a table?
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Study Notes
DML Commands in SQL
- DML (Data Manipulation Language) is a type of SQL command used to manipulate data in a database.
- DML commands insert, update, and delete data from a database table.
Types of DML Statements
- INSERT: Used to add new records to a database table.
- UPDATE: Used to modify existing records in a database table.
- DELETE: Used to delete existing records from a database table.
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