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Snippet Name: Date Functions: DUMP

Description: DUMP returns a VARCHAR2 value containing the datatype code, length in bytes, and the internal representation of a value.

start_position and length are optional parameters. They determines which portion of the internal representation to display. If these parameters are omitted, the dump function will display the entire internal representation in decimal notation.

Also see:
» FUNCTIONS: date/time
» UPDATE: Update a partitioned table
» UPDATE: Update based on a record
» UPDATE: Update Object Table
» UPDATE: with RETURNING clause
» UPDATE: Nested Table Update example
» UPDATE: Correlated Update
» UPDATE: Update from a SELECT statement
» UPDATE: based on multiple returned val...
» UPDATE: Update based on a query
» UPDATE: Update multiple rows
» UPDATE: update a specific record
» UPDATE: Single row
» Date Functions: EXTRACT
» Date Functions: TO_DSINTERVAL
» Date Functions: TO_NCHAR
» Date Functions: TO_YMINTERVAL
» Date Functions: Calculate elapsed time...
» Date/Time Calculations: Get seconds be...
» Date: Find first day of the month
» Date Calculations
» Date Functions: WHERE Clause Joins
» Date Functions: TRUNC
» Date Functions: SYSDATE
» Date Functions: TO_CHAR
» Date Functions: ROUND
» Date Functions: NEXT_DAY
» Date Functions: NEW_TIME
» Date Functions: MONTHS_BETWEEN
» Date Functions: MIN

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 03rd, 2009

DUMP(<expression> [,<return_format>[,<start_position>[,<length>]]])
 
-- expression is the expression to analyze.
-- return_format is optional. It determines the format of 
-- the return value. This parameter can be any of the following 
-- values:
 
------------------------------------------------------
VALUE       Explanation
------------------------------------------------------
8         octal notation
10        DECIMAL notation
16        hexadecimal notation
17        single characters
1008      octal notation WITH the character SET name
1010      DECIMAL notation WITH the character SET name
1016      hexadecimal notation WITH the character SET name
1017      single characters WITH the character SET name
------------------------------------------------------
 
col drows format a40
 
SELECT DUMP(SYSDATE) DROWS FROM dual;
 
SELECT DUMP(SYSDATE, 8) DROWS FROM dual;
 
SELECT DUMP(SYSDATE, 16) DROWS FROM dual;
 


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