How To Write Date and Time Literals

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How To Write Date and Time Literals? - Oracle DBA FAQ - Understanding SQL Basics

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Date and time literals can coded as shown in the following samples:

SELECT DATE '2002-10-03' FROM DUAL -- ANSI date format
03-OCT-02

SELECT TIMESTAMP '1997-01-31 09:26:50.124' FROM DUAL
31-JAN-97 09.26.50.124000000 AM
-- This is ANSI format

2007-04-24, 5121👍, 0💬

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How To Write Date and Time Interval Literals
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What Are the Differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND
What Are the Differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND? - Oracle DBA FAQ - Understanding SQL Basics The main differences between INTERVAL YEAR TO MONTH and INTERVAL DAY TO SECOND are: INTERVAL YEAR TO MONTH stores values as time intervals at the month level. INTERVAL DAY ... 2007-04-24, 5470👍, 0💬

How To Write Numeric Literals
How To Write Numeric Literals? - Oracle DBA FAQ - Understanding SQL Basics Numeric literals can coded as shown in the following samples: SELECT 255 FROM DUAL -- An integer 255 SELECT -6.34 FROM DUAL -- A regular number -6.34 SELECT 2.14F FROM DUAL -- A single-precision floating point 2.14 SELECT -0.... 2007-04-24, 5164👍, 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, 5130👍, 0💬

What Are the ANSI Data Types Supported in Oracle
What Are the ANSI Data Types Supported in Oracle? - Oracle DBA FAQ - Understanding SQL Basics The following ANSI data types are supported in Oracle: CHARACTER(n) / CHAR(n) CHARACTER VARYING(n) / CHAR VARYING(n) NATIONAL CHARACTER(n) / NATIONAL CHAR(n) / NCHAR(n) NATIONAL CHARACTER VARYING(n) / NATIO... 2007-04-24, 5122👍, 0💬

How To Write Date and Time Literals
How To Write Date and Time Literals? - Oracle DBA FAQ - Understanding SQL Basics Date and time literals can coded as shown in the following samples: SELECT DATE '2002-10-03' FROM DUAL -- ANSI date format 03-OCT-02 SELECT TIMESTAMP '1997-01-31 09:26:50.124' FROM DUAL 31-JAN-97 09.26.50.124000000 AM -... 2007-04-24, 5122👍, 0💬

How To Write Text Literals
How To Write Text Literals? - Oracle DBA FAQ - Understanding SQL Basics There are several ways to write text literals as shown in the following samples: SELECT 'FYICenter.com' FROM DUAL -- The most common format FYICenter.com SELECT 'It''s Sunday!' FROM DUAL -- Single quote escaped It's Sunday! SELE... 2007-04-24, 5103👍, 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, 5043👍, 0💬

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