You may need this test if it is part of routine blood testing. You may also need your hematocrit checked before having surgery or if your healthcare provider suspects you have a red blood cell disorder. Too many red blood cells is called polycythemia. Too few red blood cells is called anemia. Polycythemia may cause: Heart attack. Stroke
MySQL CURRENT_DATE. Description. In MySQL the CURRENT_DATE returns the current date in âYYYY-MM-DDâ format or YYYYMMDD format depending on whether numeric or string is used in the function. CURDATE() and CURRENT_DATE() are the synonym of CURRENT_DATE. Note: All of the example codes of this page will produce outputs depending upon the current date. Syntax :
CURRENT_TIMESTAMP. CURRENT_TIMESTAMP returns the current date and time in the session time zone, in a value of datatype TIMESTAMP WITH TIME ZONE. The time zone offset reflects the current local time of the SQL session. If you omit precision, then the default is 6. The difference between this function and LOCALTIMESTAMP is that CURRENT_TIMESTAMP returns a TIMESTAMP WITH TIME ZONE value while LOCALTIMESTAMP returns a TIMESTAMP value.