A transaction is a set of SQL statements that are executed as a single unit of work. It allows multiple changes to be made to the database in a way that ensures data integrity.
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If you accidentally added a file or files using git add that you didn’t intend to include in your commit, you can undo the add operation by using the following command: git reset <file> Replace <file> with the name of the file ...Read more
A foreign key is a column or set of columns in a table that refers to the primary key of another table. It is used to establish a relationship between two tables.When we study databases, one important idea is how ...Read more