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 :
The default date format in SQL*Plus is determined by the database NLS_DATE_FORMAT parameter and may use a date format displaying two digit years. You can use the SQL TO_CHAR function, or the SQL*Plus COLUMN FORMAT command in your SELECT statements to control the way dates are displayed in your report.