To update all the records in a table, specify the table name, and then use the SET clause to specify the field or fields to be changed. In most cases, you will want to qualify the UPDATE statement with a WHERE clause to limit the number of records changed.
Inner Peace is an expression that refers to a state of being mentally or spiritually at peace, with enough knowledge and understanding to keep oneself strong in the face of discord or stress.
Knowledge that decisions are not absolute, if you are wrong there will be other ways to deal with the situation, whatever decision you make will be ok and that it isn't weak to change your mind. Inner peace is not about ignoring external issues or their influence on your psyche.