So what is the reason to create an auto incrementing number column? Could one make the Primary Name Column be an auto incrementing number column? Would it make sense to do that? What happens if you add an auto incrementing number column to a table that already has some records? Does the auto incrementation automatically put values into the field for those records that were already there? If not, then can you manually put in the values that the auto incrementation would otherwise do on its own? If you were to do that, would you start with the next number that the auto incrementation is going to generate? Would that affect the subsequent generation of numbers? And can there be duplicate values in the auto incrementation number column? If so, then wouldn't that defeat its purpose? And is the GUID the "key" of the table? What is an "alternate" key, and why would you create one?
Auto-incrementing number columns are typically used to create a unique identifier for each record in a database table. Auto-incrementing columns are often used as primary keys because they provide a unique identifier for each row, which is essential for database operations like joins and data retrieval. When you add an auto-incrementing number column to a table that already has records, the auto-incrementation usually starts with the next available number for new records. Existing records will not be assigned auto-incremented values automatically. You can manually update existing records with values for the auto-incrementing column, but it's generally not recommended, as it can lead to conflicts and inconsistencies.
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So what is the reason to create an auto incrementing number column? Could one make the Primary Name Column be an auto incrementing number column? Would it make sense to do that? What happens if you add an auto incrementing number column to a table that already has some records? Does the auto incrementation automatically put values into the field for those records that were already there? If not, then can you manually put in the values that the auto incrementation would otherwise do on its own? If you were to do that, would you start with the next number that the auto incrementation is going to generate? Would that affect the subsequent generation of numbers? And can there be duplicate values in the auto incrementation number column? If so, then wouldn't that defeat its purpose? And is the GUID the "key" of the table? What is an "alternate" key, and why would you create one?
Auto-incrementing number columns are typically used to create a unique identifier for each record in a database table. Auto-incrementing columns are often used as primary keys because they provide a unique identifier for each row, which is essential for database operations like joins and data retrieval.
When you add an auto-incrementing number column to a table that already has records, the auto-incrementation usually starts with the next available number for new records. Existing records will not be assigned auto-incremented values automatically. You can manually update existing records with values for the auto-incrementing column, but it's generally not recommended, as it can lead to conflicts and inconsistencies.
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