What are the characteristics of SQL Server database engine transaction log?

What are transaction logs in SQL Server?

Every SQL Server database has a transaction log that records all transactions and the database modifications made by each transaction. The transaction log is a critical component of the database. If there is a system failure, you will need that log to bring your database back to a consistent state.

What type of information is recorded on the database transaction log?

A transaction log is a sequential record of all changes made to the database while the actual data is contained in a separate file. The transaction log contains enough information to undo all changes made to the data file as part of any individual transaction.

What is DB transaction log?

In the field of databases in computer science, a transaction log (also transaction journal, database log, binary log or audit trail) is a history of actions executed by a database management system used to guarantee ACID properties over crashes or hardware failures.

Where are transaction logs stored in SQL Server?

The data and transaction log files are stored in the root of the database directory. The database directory is the folder location specified when the database is created.