What does rake db Reset do?
rake db:migrate – Runs the migrations which haven’t been run yet. rake db:reset – Clears the database (presumably does a rake db:drop + rake db:create + rake db:migrate ) and runs migration on a fresh database.
How do I clear a Postgres database?
To delete a database:
- Specify the name of the database that you want to delete after the DROP DATABASE clause.
- Use IF EXISTS to prevent an error from removing a non-existent database. PostgreSQL will issue a notice instead.
How do I get rid of rake db migrate?
just use rake db:reset , that will drop your database (same as undoing all migrations) and reset to the last schema. UPDATE: a more correct approach will be using rake db:migrate:reset . That will drop the database, create it again and run all the migrations, instead of resetting to the latest schema.
What is db Migrate Ruby?
Migrations are a convenient way to alter your database schema over time in a consistent way. They use a Ruby DSL so that you don’t have to write SQL by hand, allowing your schema and changes to be database independent. You can think of each migration as being a new ‘version’ of the database.
How to clear model after submitting data in database?
You have couple options here: either pass an empty model, or redirect to the get variant of your post action. PS: I strongly advice to use the second approach as you might want to make other DB calls to construct your model and you won’t want to do this in multiple places.
How to clear SQL Server transaction log with DBCC shrinkfile?
Log Shrinking is needed to reduce the physical log file. Clearing SQL Server transaction log involves two steps. Firstly, we need to perform log backup with TRUNCATE_ONLY option and next step is to use the DBCC SHRINKFILE function to shrink file to the required size. BACKUP LOG WITH TRUNCATE_ONLY is not a good option as it empties all
How to clear tempdb full in SQL Server?
TempDB Full – How to Clear TempDB in SQL Server. The SQL Server log proves that tempdb was having problems…. Do the following to find out why tempdb is not reusing space – the Log_reuse_wait_desc will give details. Select [name], log_reuse_wait_desc from sys.databases where name = ‘tempdb’.
How to clear SQL Server transaction log to regain space?
How to Clear SQL Server Transaction Log to Regain Space. A Transaction Log is a file that contains all the records of transactions and the database modifications made by each transaction in SQL Server database.The log file plays a very important part of SQL Server database when it comes to disaster recovery and it should not be in corrupted state.