Select size of database files before shrink
<pre><code class="lang-sql">SELECT Name AS Logical_Name,(size*8)/1024 SizeMB
FROM sys.master_files
WHERE DB_NAME(database_id) = 'MyDB'
GO
</code></pre>
<pre><code class="lang-sql">USE MyDB;
GO
</code></pre>
Truncate the log by changing the database recovery model to SIMPLE.
<pre><code class="lang-sql">ALTER DATABASE MyDB
SET RECOVERY SIMPLE WITH NO_WAIT;
GO
</code></pre>
Shrink the truncated log file to 1 MB.
<pre><code class="lang-sql">DBCC SHRINKFILE(MyDB_log, 1);
GO
</code></pre>
Reset the database recovery model.
<pre><code class="lang-sql">ALTER DATABASE MyDB
SET RECOVERY FULL WITH NO_WAIT;
GO
</code></pre>
Select size of database files After shrink 
<pre><code class="lang-sql">SELECT Name AS Logical_Name, (size*8)/1024 SizeMB FROM sys.master_files
WHERE DB_NAME(database_id) = 'MyDB'
GO
</code></pre>

Select size of database files before shrink

```sql
SELECT Name AS Logical_Name,(size*8)/1024 SizeMB
FROM sys.master_files
WHERE DB_NAME(database_id) = 'MyDB'
GO```

```sql
USE MyDB;
GO```

Truncate the log by changing the database recovery model to SIMPLE.

```sql
ALTER DATABASE MyDB
SET RECOVERY SIMPLE WITH NO_WAIT;
GO```

Shrink the truncated log file to 1 MB.

```sql
DBCC SHRINKFILE(MyDB_log, 1);
GO```

Reset the database recovery model.

 ```sql
ALTER DATABASE MyDB
SET RECOVERY FULL WITH NO_WAIT;
GO```

Select size of database files After shrink 

```sql
SELECT Name AS Logical_Name, (size*8)/1024 SizeMB FROM sys.master_files
WHERE DB_NAME(database_id) = 'MyDB'
GO```

How To Shrink Database Log File In Sql Server