What is PostgreSQL equivalent of SYSDATE from Oracle?

Question

I want to perform a query using sysdate like:

select up_time from exam where up_time like sysdate

which is possible in Oracle.

However,

Answer 1

The following functions are available to obtain the current date and/or time in PostgreSQL:

CURRENT_TIME

CURRENT_DATE

CURRENT_TIMESTAMP

Example

SELECT CURRENT_TIME;
08:05:18.864750+05:30

SELECT CURRENT_DATE;
2020-05-14

SELECT CURRENT_TIMESTAMP;
2020-05-14 08:04:51.290498+05:30

postgresql docs