How To Convert Numbers to Characters

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

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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

SELECT TO_CHAR(-4123.457, '9999999.99EEEE') FROM DUAL
 -4.12E+03

2007-04-23, 5095👍, 0💬

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, 5680👍, 0💬

How To Convert Times to Characters
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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, 5234👍, 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, 5228👍, 0💬

How To Write Date and Time Literals
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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, 5194👍, 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, 5189👍, 0💬

How To Convert Characters to Times
How To Convert Characters to Times? - 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(TO_DATE('04:49:49', 'HH:MI:SS'), 'DD-MON-YYYY HH24:MI:SS') FROM DUAL; -- Default date is the first day o... 2007-04-23, 5118👍, 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, 5105👍, 0💬

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