1. Clear Log Dump Transaction Database name with no_log
2. Shrink the database file (if not compressed, the database files do not reduce the enterprise manager - Right click on the database you want to compress - All Tasks - Shrink Database - Shrink File - Select Log File - In Shrink Mode The choice to shrink to XXM, here will give a minimum M number that is allowed to shrink, enter this number directly, determine it - select data file - Select shrinkage to XXM in the shrink mode, here will give a permission The minimum number of shrinks is contracted, enter this number directly, it is ok.