The difference between drop and delete
The difference between drop and delete: 1. Function and purpose; 2. Operation object; 3. Reversibility; 4. Space release; 5. Execution speed and efficiency; 6. Interaction with other commands; 7. Persistence of influence; 8 , syntax and execution; 9. Triggers and constraints; 10. Transaction processing. This topic provides you with relevant articles, downloads, and course content for you to download and experience for free.
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The difference between drop and delete
What are the differences between drop and delete?
The difference between drop and delete: 1. Function and purpose; 2. Operation object; 3. Reversibility; 4. Space release; 5. Execution speed and efficiency; 6. Interaction with other commands; 7. Persistence of influence; 8 , syntax and execution; 9. Triggers and constraints; 10. Transaction processing. Detailed introduction: 1. Function and purpose. "DELETE" is a data operation language command, mainly used to delete some or all tuples from a table, that is, delete data content. "DROP" is a data definition language command, used to delete data from a table. Delete one from the database and so on.
Dec 29, 2023 am 10:09 AM
What is the difference between drop and delete
The difference between drop and delete: 1. Object; 2. Impact on the database after operation; 3. Syntax; 4. Behavior of occupying resources; 5. Ability to recover data after deletion; 6. Other differences. Detailed introduction: 1. Object, "DELETE" is used to delete records in the table, "DROP" is used to delete the entire table; 2. The impact on the database after the operation, "DELETE" will not change the structure and table definition of the database after execution If there is any impact, after "DROP" is executed, the structure and definition of the entire table will be deleted, etc.
Dec 29, 2023 am 11:46 AM
What is the difference between drop and delete
The difference between drop and delete: 1. Function and purpose; 2. Operation object; 3. Reversibility; 4. Space release; 5. Execution speed and efficiency; 6. Logging; 7. Interaction with other database commands; 8. Impact Persistence; 9. Syntax and execution; 10. Triggers and constraints; 11. Transaction processing. Detailed introduction: 1. Function and purpose. DROP is mainly used to delete data structure, including internal data content. DELETE is mainly used to delete data content. It does not delete data structure and only affects the data in the table, etc.
Dec 29, 2023 pm 01:59 PM
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