How To Convert Times to Characters

Q

How To Convert Times to Characters? - Oracle DBA FAQ - Understanding SQL Basics

✍: FYIcenter.com

A

You can convert dates to characters using the TO_CHAR() function as shown in the following examples:

SELECT TO_CHAR(SYSDATE, 'HH:MI:SS') FROM DUAL;
04:49:49

SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL;
  -- Error: SYSDATE has no fractional seconds
  
SELECT TO_CHAR(SYSTIMESTAMP, 'HH24:MI:SS.FF9') FROM DUAL;
16:52:57.847000000                     

SELECT TO_CHAR(SYSDATE, 'SSSSS') FROM DUAL;
  -- Seconds past midnight
69520

2007-04-23, 4828👍, 0💬

💬 2016-07-06 Julie: Good to know. Thanks.

💬 2010-10-11 Coleen: I have an Oracle table with a column (seq_num) that needs to populated with sequential nbrs based on a group. For example, I hav...

How To Write Date and Time Interval Literals
How To Write Date and Time Interval Literals? - Oracle DBA FAQ - Understanding SQL Basics Date and time interval literals can coded as shown in the following samples: SELECT DATE '2002-10-03' + INTERVAL '123-2' YEAR(3) TO MONTH FROM DUAL -- 123 years and 2 months is added to 2002-10-03 03-DEC-25 SEL... 2007-04-23, 5238👍, 0💬

How To Concatenate Two Text Values
How To Concatenate Two Text Values? - Oracle DBA FAQ - Understanding SQL Basics There are two ways to concatenate two text values together: CONCAT() function. '||' operation. Here is some examples on how to use them: SELECT 'FYI' || 'Center' || '.com' FROM DUAL; FYICenter.com SELECT CONCAT('FYICente... 2007-04-23, 5180👍, 0💬

How To Convert Characters to Numbers
How To Convert Characters to Numbers? - Oracle DBA FAQ - Understanding SQL Basics You can convert characters to numbers by using the TO_NUMBER() function as shown in the following examples: SELECT TO_NUMBER('4123.4570') FROM DUAL 4123.457 SELECT TO_NUMBER(' $4,123.46','$9,999,999.99') FROM DUAL 4123... 2007-04-23, 5060👍, 0💬

How To Use NULL as Conditions
How To Use NULL as Conditions? - Oracle DBA FAQ - Understanding SQL Basics If you want to compare values against NULL as conditions, you should use the "IS NULL" or "IS NOT NULL" operator. Do not use "=" or "<>" against NULL. The sample script below shows you some good examples: SELECT 'A' IS... 2007-04-23, 5021👍, 0💬

What Is NULL
What Is NULL? - Oracle DBA FAQ - Understanding SQL Basics NULL is a special value representing "no value" in all data types. NULL can be used on in operations like other values. But most opertations has special rules when NULL is involved. The tutorial exercise below shows you some examples: SET NUL... 2007-04-23, 4995👍, 0💬

How To Convert Times to Characters
How To Convert Times to Characters? - Oracle DBA FAQ - Understanding SQL Basics You can convert dates to characters using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(SYSDATE, 'HH:MI:SS') FROM DUAL; 04:49:49 SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL; -- Error: S... 2007-04-23, 4829👍, 0💬

How To Convert Dates to Characters
How To Convert Dates to Characters? - Oracle DBA FAQ - Understanding SQL Basics You can convert dates to characters using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY') FROM DUAL; -- SYSDATE returns the current date 07-MAY-2006 SELECT TO_CHAR(SYSDAT... 2007-04-23, 4791👍, 0💬

How To Convert Characters to Dates
How To Convert Characters to Dates? - Oracle DBA FAQ - Understanding SQL Basics You can convert dates to characters using the TO_DATE() function as shown in the following examples: SELECT TO_DATE('07-MAY-2006', 'DD-MON-YYYY') FROM DUAL; 07-MAY-06 SELECT TO_DATE('2006/05/07 ', 'YYYY/MM/DD') FROM DUAL... 2007-04-23, 4695👍, 0💬

How To Convert Numbers to Characters
How To Convert Numbers to Characters? - Oracle DBA FAQ - Understanding SQL Basics You can convert numeric values to characters by using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(4123.4570) FROM DUAL 123.457 SELECT TO_CHAR(4123.457, '$9,999,999.99') FROM DUAL $4,123.46... 2007-04-23, 4674👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.