sql date format picture ends before converting entire input string

-- NOTE: this is only applicable for Oracle and/or PL/SQL

-- Example (let's say you get the error for your date of '2020-09-25 14:18:15')
TO_DATE('2020-09-25 14:18:15', 'YYYY-MM-DD HH24:MI:SS') -- instead of '2020-09-25 14:18:15' only

-- Syntax
TO_DATE('<your-date-time>', '<your-date-time-format>')

/*
   Formatting placeholders 
+----------------------------------------------------------------------------------------------------
|  PARAMETER                      EXPLANATION         
+----------------------------------------------------------------------------------------------------
|  YEAR      ----------------->   Year, spelled out           
|  YYYY      ----------------->   4-digit year           
|  YYY       ----------------->   Last 3, 2, or 1 digit(s) of year.           
|  YY        ----------------->   YY   
|  Y         ----------------->   Y   
|  IYY       ----------------->   Last 3, 2, or 1 digit(s) of ISO year.           
|  IY        ----------------->   IY   
|  I         ----------------->   I   
|  IYYY      ----------------->   4-digit year based on the ISO standard           
|  RRRR      ----------------->   Accepts a 2-digit year and returns a 4-digit year.           
|                                 A value between 0-49 will return a 20xx year.        
|                                 A value between 50-99 will return a 19xx year.        
|  Q         ----------------->   Quarter of year (1, 2, 3, 4; JAN-MAR = 1).        
|  MM        ----------------->   Month (01-12; JAN = 01).        
|  MON       ----------------->   Abbreviated name of month.           
|  MONTH     ----------------->   Name of month, padded with blanks to length of 9 characters.           
|  RM        ----------------->   Roman numeral month (I-XII; JAN = I).        
|  WW        ----------------->   Week of year (1-53) where week 1 starts on the first day of the year and continues to the seventh day of the year.        
|  W         ----------------->   Week of month (1-5) where week 1 starts on the first day of the month and ends on the seventh.        
|  IW        ----------------->   Week of year (1-52 or 1-53) based on the ISO standard.        
|  D         ----------------->   Day of week (1-7).        
|  DAY       ----------------->   Name of day.           
|  DD        ----------------->   Day of month (1-31).        
|  DDD       ----------------->   Day of year (1-366).           
|  DY        ----------------->   Abbreviated name of day.        
|  J         ----------------->   Julian day; the number of days since January 1, 4712 BC.        
|  HH        ----------------->   Hour of day (1-12).        
|  HH12      ----------------->   Hour of day (1-12).           
|  HH24      ----------------->   Hour of day (0-23).           
|  MI        ----------------->   Minute (0-59).        
|  SS        ----------------->   Second (0-59).        
|  SSSSS     ----------------->   Seconds past midnight (0-86399).           
|  AM, A.M., PM, or P.M. ----->   Meridian indicator 
|  AD or A.D ----------------->   AD indicator                 
|  BC or B.C.----------------->   BC indicator                 
|  TZD       ----------------->   Daylight savings information. For example, 'PST'           
|  TZH       ----------------->   Time zone hour.           
|  TZM       ----------------->   Time zone minute.           
|  TZR       ----------------->   Time zone region.
+----------------------------------------------------------------------------------------------------
*/