SYSDATE                                                                         
---------                                                                       
01-DEC-21                                                                       


EMPL_LAST_NAME  HIREDATE                                                        
--------------- ---------                                                       
King            17-NOV-11                                                       
Jones           02-APR-12                                                       
Blake           01-MAY-13                                                       
Raimi           09-JUN-12                                                       
Ford            03-DEC-12                                                       
Smith           17-DEC-12                                                       
Michaels        20-FEB-18                                                       
Ward            22-FEB-19                                                       
Martin          28-SEP-18                                                       
Scott           09-NOV-18                                                       
Turner          08-SEP-19                                                       

EMPL_LAST_NAME  HIREDATE                                                        
--------------- ---------                                                       
Adams           23-SEP-18                                                       
James           03-DEC-17                                                       
Miller          23-JAN-16                                                       

14 rows selected.

just display the name of the month of hire

EMPL_LAST_NAME  MONTH HIRED                                                     
--------------- ------------------------------------                            
King            NOVEMBER                                                        
Jones           APRIL                                                           
Blake           MAY                                                             
Raimi           JUNE                                                            
Ford            DECEMBER                                                        
Smith           DECEMBER                                                        
Michaels        FEBRUARY                                                        
Ward            FEBRUARY                                                        
Martin          SEPTEMBER                                                       
Scott           NOVEMBER                                                        
Turner          SEPTEMBER                                                       

EMPL_LAST_NAME  MONTH HIRED                                                     
--------------- ------------------------------------                            
Adams           SEPTEMBER                                                       
James           DECEMBER                                                        
Miller          JANUARY                                                         

14 rows selected.


EMPL_LAST_NAME  Month Hired                                                     
--------------- ------------------------------------                            
King            November                                                        
Jones           April                                                           
Blake           May                                                             
Raimi           June                                                            
Ford            December                                                        
Smith           December                                                        
Michaels        February                                                        
Ward            February                                                        
Martin          September                                                       
Scott           November                                                        
Turner          September                                                       

EMPL_LAST_NAME  Month Hired                                                     
--------------- ------------------------------------                            
Adams           September                                                       
James           December                                                        
Miller          January                                                         

14 rows selected.

a few more possibilities at once:

YEAR MON_YEAR          NUM_VERS                                                 
---- ----------------- --------                                                 
LONG_VERSION                                                                    
--------------------------------------------------------------------------------
BRIEF_VERSION                                                                   
-----------------------------------                                             
2021 Dec 2021          12-01-21                                                 
Wednesday, December  01, 2021                                                   
WED - Dec 01 - 21                                                               
                                                                                


TO_CHAR(SYSDATE,'DDDDDDDAY,MONYYYY-HH12HH24MISSAM')                             
--------------------------------------------------------------------------------
4 01 335 Wednesday, Dec 2021 - 11 23 47 42 PM                                   


tomorrow                                                                        
---------                                                                       
02-DEC-21                                                                       


yesterday                                                                       
---------                                                                       
30-NOV-21                                                                       

cannot add to a date literal string
select '31-DEC-2021' + 1
       *
ERROR at line 1:
ORA-01722: invalid number 



TO_DATE('                                                                       
---------                                                                       
01-JAN-22                                                                       


HIRETIME                                                                        
--------                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        

HIRETIME                                                                        
--------                                                                        
12:00 AM                                                                        
12:00 AM                                                                        
12:00 AM                                                                        

14 rows selected.


Commit complete.

inserting an employee hired on November 15th of 2021 at 2:37 pm

1 row created.


EMPL_LAST_NAME                                                                  
---------------                                                                 
HIRE_DATE_TIME                                                                  
--------------------------------------------------------------------------------
King                                                                            
November  Thursday , 2011 - 12:00 AM                                            
                                                                                
Jones                                                                           
April     Monday   , 2012 - 12:00 AM                                            
                                                                                
Blake                                                                           
May       Wednesday, 2013 - 12:00 AM                                            
                                                                                

EMPL_LAST_NAME                                                                  
---------------                                                                 
HIRE_DATE_TIME                                                                  
--------------------------------------------------------------------------------
Raimi                                                                           
June      Saturday , 2012 - 12:00 AM                                            
                                                                                
Ford                                                                            
December  Monday   , 2012 - 12:00 AM                                            
                                                                                
Smith                                                                           
December  Monday   , 2012 - 12:00 AM                                            
                                                                                

EMPL_LAST_NAME                                                                  
---------------                                                                 
HIRE_DATE_TIME                                                                  
--------------------------------------------------------------------------------
Michaels                                                                        
February  Tuesday  , 2018 - 12:00 AM                                            
                                                                                
Ward                                                                            
February  Friday   , 2019 - 12:00 AM                                            
                                                                                
Martin                                                                          
September Friday   , 2018 - 12:00 AM                                            
                                                                                

EMPL_LAST_NAME                                                                  
---------------                                                                 
HIRE_DATE_TIME                                                                  
--------------------------------------------------------------------------------
Scott                                                                           
November  Friday   , 2018 - 12:00 AM                                            
                                                                                
Turner                                                                          
September Sunday   , 2019 - 12:00 AM                                            
                                                                                
Adams                                                                           
September Sunday   , 2018 - 12:00 AM                                            
                                                                                

EMPL_LAST_NAME                                                                  
---------------                                                                 
HIRE_DATE_TIME                                                                  
--------------------------------------------------------------------------------
James                                                                           
December  Sunday   , 2017 - 12:00 AM                                            
                                                                                
Miller                                                                          
January   Saturday , 2016 - 12:00 AM                                            
                                                                                
Hughes                                                                          
November  Monday   , 2021 - 02:37 PM                                            
                                                                                

15 rows selected.

(now removing this employee... 8-) )

Rollback complete.


ADD_MONTH                                                                       
---------                                                                       
28-FEB-22                                                                       


MONTHS_BETWEEN(SYSDATE,TO_DATE('30-JAN-2022'))                                  
----------------------------------------------                                  
                                    -1.9035013                                  


MONTHS_BETWEEN(TO_DATE('30-JAN-2022'),SYSDATE)                                  
----------------------------------------------                                  
                                    1.90350134                                  


LOOKY LOOKY                                                                     
----- -----                                                                     
Silly Silly                                                                     


LOWER(EMPL_LAST UPPER(EMPL_LAST                                                 
--------------- ---------------                                                 
king            KING                                                            
jones           JONES                                                           
blake           BLAKE                                                           
raimi           RAIMI                                                           
ford            FORD                                                            
smith           SMITH                                                           
michaels        MICHAELS                                                        
ward            WARD                                                            
martin          MARTIN                                                          
scott           SCOTT                                                           
turner          TURNER                                                          

LOWER(EMPL_LAST UPPER(EMPL_LAST                                                 
--------------- ---------------                                                 
adams           ADAMS                                                           
james           JAMES                                                           
miller          MILLER                                                          

14 rows selected.


LDOTS                                                                           
------------------------------------------------                                
........King                                                                    
.......Jones                                                                    
.......Blake                                                                    
.......Raimi                                                                    
........Ford                                                                    
.......Smith                                                                    
....Michaels                                                                    
........Ward                                                                    
......Martin                                                                    
.......Scott                                                                    
......Turner                                                                    

LDOTS                                                                           
------------------------------------------------                                
.......Adams                                                                    
.......James                                                                    
......Miller                                                                    

14 rows selected.


RDOTS                                                                           
------------------------------------------------                                
King........                                                                    
Jones.......                                                                    
Blake.......                                                                    
Raimi.......                                                                    
Ford........                                                                    
Smith.......                                                                    
Michaels....                                                                    
Ward........                                                                    
Martin......                                                                    
Scott.......                                                                    
Turner......                                                                    

RDOTS                                                                           
------------------------------------------------                                
Adams.......                                                                    
James.......                                                                    
Miller......                                                                    

14 rows selected.


Hiredate                                                                        
--------------------------------------------------------------------------------
     Thursday - November  11                                                    
     Monday   - April     12                                                    
     Wednesday- May       13                                                    
     Saturday - June      12                                                    
     Monday   - December  12                                                    
     Monday   - December  12                                                    
     Tuesday  - February  18                                                    
     Friday   - February  19                                                    
     Friday   - September 18                                                    
     Friday   - November  18                                                    
     Sunday   - September 19                                                    

Hiredate                                                                        
--------------------------------------------------------------------------------
     Sunday   - September 18                                                    
     Sunday   - December  17                                                    
     Saturday - January   16                                                    

14 rows selected.


LEFTC RTCHO NICER                                                               
----- ----- ------------------------------                                      
Hi       Hi Wednesday, December 01, 2021                                        


EMPL_LAST_NAME      LENGTH ABBREV3      REST                                    
--------------- ---------- ------------ ----------                              
King                     4 Kin          g                                       
Jones                    5 Jon          es                                      
Blake                    5 Bla          ke                                      
Raimi                    5 Rai          mi                                      
Ford                     4 For          d                                       
Smith                    5 Smi          th                                      
Michaels                 8 Mic          haels                                   
Ward                     4 War          d                                       
Martin                   6 Mar          tin                                     
Scott                    5 Sco          tt                                      
Turner                   6 Tur          ner                                     

EMPL_LAST_NAME      LENGTH ABBREV3      REST                                    
--------------- ---------- ------------ ----------                              
Adams                    5 Ada          ms                                      
James                    5 Jam          es                                      
Miller                   6 Mil          ler                                     

14 rows selected.