If we have used only the date, then it will display a date and time. Now the function is more important to select the current date and time in PostgreSQL. If we want to use the current date and time, we have used a now function in PostgreSQL.
Now (): This function selects the current date and time in PostgreSQL.We can select a date and time by using this data type. Timestamp: It is used to store date and time format data in the database it is used to handle or store the date and time of data stored in the database.We can select the current date as now and the current timestamp function in PostgreSQL. We can select any date or time value to display the timestamp format in PostgreSQL. Select: Select is used to select the timestamp value in timestamp syntax.