Convert the value of timestamp in format hours
Hi allI want to convert a value of time in time stamp foramt.
How to do this?
Thank you
Olivier
Swapna,
This is the third thread where you asked the same question.
For more information on CHS and Timo, Swapna has TIMESTAMP columns in the database (not Java timestamps).
Swapna, let's make this easy. Just create a view in your database that has the additional column you want (do you, after all to have SQL to do this from another thread). Then, just to make your select EO/VO from the point of view of database.
John
Tags: Java
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replace some symbols and converts the value to a number
Hi all. I've got bp_link table with 'avalue' column VARCHAR2 (200). If I can find a different version of p here:
(a) 100%
(b) 100
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When I just "select * from...". "it works:
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PHP convert the variable date of table format
I can not explain this without showing all the code...
I have a script which basically scrape information off the myspace site and updates the information in a table. I then had the script put this in tabular form. The problem that I'm hoping to get help, I would like to change the date format, and I don't know how I can do this since it is Setup how to loop through the table. If anyone can show me a better way to do it without a loop or a way to convert the date, I'd be very happy.
18/06/2009 22:00-Thursday, June 18, 2009 22:00
<? PHP
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? >
< table border = "0" align = "center" cellpadding = "8" cellspacing = "0" >
< b >
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{
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echo "< /tr >";
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Move the $i ++ should not have any effect on the way in which items are displayed thereafter.
How I would deal with the table is like this:
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Hello
I use the ChnLinGenImp command in a creation of such as channel below.
--> Call ChnLinGenImp(SpecChannelName,length,SpecNumber*1,0,Unit)
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Hello J,
Only two options I know in tiara 2012 are:
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the value in timestamp insertion error
Hey people,
I need to insert ' 03:23:45 ' in a timestamp column.
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convert the date to a string format
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Values for timestamp default XMLTable causes ORA-01843: not one month valid
When I try to provide a default value for a timestamp value in the function XMLTABLE, I am greeted with an error - ORA-01843: not one month valid -no matter how to give this default value. If there is a value in the XML or not is irrelavant to this bug occurs. It seems to be an incomplete correction of bug number 9745897 (thread).
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("< DOC > < DT > 2013-08-14T 15: 08:31 < /DT > < / DOC > '"))
DT COLUMNS timestamp default sysdate) x;
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("< DOC > < DT > 2013-08-14T 15: 08:31 < /DT > < / DOC > '"))
By default systimestamp timestamp COLUMNS DT) x;
Select x.*
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XMLTable ('/ DOC' from xmltype ("< DOC > < DT > 2013-08-14T 15: 08:31 < /DT > < / DOC > '"))
DT of COLUMNS timestamp default to_char (systimestamp, ' ' YYYY-MM-DD "T" HH24:MI:SS)) x;)
Edit: somewhat more followed.
It works:
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("< DOC > < / DOC > '"))
Date of the dt of COLUMNS by default sysdate) x;
It works, too, with the exception of its just the date and not the time
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("< DOC > < / DOC > '"))
DT COLUMNS timestamp default sysdate) x;
It does not work
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("< DOC > < / DOC > '"))
By default systimestamp timestamp COLUMNS DT) x;
ORA-01861: literal does not match the format string
Hello
First of all, let's check the manual for the DEFAULT clause:
Function SQL/XML XMLTABLE in Oracle XML DB
The optional parameter
DEFAULTclause specifies the value to use when thePATHexpression results in an empty sequence (orNULL). Hisexpris an XQuery expression that is evaluated to produce the default value.According to the documentation, the DEFAULT clause must specify an XQuery expression.
However, is false, the implementation only expects an expression that matches a string, the content is not interpreted.
Bottom line is, if we specify directly a string, the expression is implicitly converted into one, and everyone knows how things can go when implicit conversions appear, especially when the dates or timestamps are involved.
Now let's focus on the impact of the DEFAULT clause on the evaluation of the query.
When a DEFAULT clause is specified, Oracle has rewritten projection differently and does not use the native format of XS: DateTime to convert the value:
Select x.*
Of
XMLTable ('/ DOC' from xmltype ('))
- 2013-08-14 T 15: 08:31
DT of COLUMNS by default systimestamp timestamp
) x
becomes:
SELECT THE EXISTSNODE (VALUE(KOKBF$), '/ DOC/DT')
WHEN 1 THEN LAUNCH (TO_TIMESTAMP (SYS_XQ_UPKXML2SQL (SYS_XQEXVAL (SYS_XQEXTRACT (VALUE(KOKBF$), '/ DOC/DT')), 50.1, 2)() as a timestamp)
ELSE CAST (TO_TIMESTAMP (TO_CHAR (SYSTIMESTAMP (6)), 'SYYYY-MM-DD "T" HH24:MI:SSXFF') AS timestamp)
END "DT".
TABLE ("SYS". "XQSEQUENCE"(EXTRACT ("SYS"." XMLTYPE"(")
- 2013-08-14 T 15: 08:31
See the red part: it does not use the format parameter, the conversion depends on NLS session parameters.
When there is no DEFAULT clause, the TO_TIMESTAMP function uses an explicit format:
Select x.*
Of
XMLTable ('/ DOC' from xmltype ('))
- 2013-08-14 T 15: 08:31
Dt timestamp - default systimestamp COLUMNS
) x
rewritten to:
SELECT CAST)
TO_TIMESTAMP)
SYS_XQ_UPKXML2SQL (SYS_XQEXVAL (SYS_XQEXTRACT (VALUE(KOKBF$), '/ DOC/DT'), 0,0,20971520, 0), 50.1, 2)
"SYYYY-MM-DD"T"HH24:MI:SSXFF"
)
BY timestamp - default systimestamp
) "DT".
TABLE ("SYS". "XQSEQUENCE"(EXTRACT ("SYS"." XMLTYPE"(")
- 2013-08-14 T 15: 08:31
So yes, maybe there is a bug here.
Edit: somewhat more followed.
It works:
Select x.*
Of
XMLTable ('/ DOC' from xmltype ("
")) Date of the dt of COLUMNS by default sysdate) x;
Actually no, it does not work. Certainly, maybe it produces no error, but the result is incorrect.
As explained, the conversion is based on the NLS (NLS_DATE_FORMAT in this case) session:
SQL > show nls_date_format settings
VALUE OF TYPE NAME
------------------------------------ ----------- ------------------------------
string of NLS_DATE_FORMAT JJ/MM/RR
SQL >
SQL > select sysdate to double;
SYSDATE
--------
16/08/13
SQL > select x.*
2 from
3 xmltable ('/ DOC' passing xmltype ("
")) 4 COLUMNS dt date default sysdate) x;
DT
--------
13/08/16
Oracle first converts SYSDATE to a string using current NLS_DATE_FORMAT, having for result Aug 16, 13 '
Then this string is converted to a DATE as XS: date is 'YYYY-MM-DD' leading 13/08/16 (13 August, 0016) which is incorrect.
The obvious solution to this problem is to control how Oracle converts implicitly string to timestamp format:
SQL > alter session set NLS_TIMESTAMP_FORMAT = "YYYY-MM-DD"T"HH24:MI:SS."
Modified session.
SQL > select x.*
2 from
3 xmltable ('/ DOC' from xmltype ('))
- 2013-08-14 T 15: 08:31
4 dt of systimestamp default timestamp COLUMNS
(5) x;
DT
---------------------------------------------------------------------------
2013-08-14 T 15: 08:31
SQL > select x.*
2 from
3 xmltable ('/ DOC' passing xmltype ("
")) 4 dt of COLUMNS by default systimestamp timestamp) x;
By default systimestamp timestamp COLUMNS DT) x
*
ERROR on line 4:
ORA-01861: literal does not match the format string
SQL > select x.*
2 from
3 xmltable ('/ DOC' passing xmltype ("
")) Cast of default timestamp COLUMNS dt (systimestamp timestamp) 4) x;
DT
---------------------------------------------------------------------------
2013 08-16 T 12: 32:58
calibrate the values of 12-bit ADC
I'd like to understand how to convert integer values of a 12-bit ADC in tensions. I use a box NI USB-6008 in differential input mode. It is 12 bits of resolution in differential mode. I use a simple VI to collect 100 samples of the differential analog input voltage 0 (AI0). When I connect AI0 + and -AI0, the tension between them must be zero. When I traced the number returned by the routine of the CQI data, I see-32768 values most of the time over a few jumps to + 32752. When to convert format I16 U16 format numbers. I see values ot + 32 768 for the most part, as well as a few jumps to + 32752.See attached shot of front block diagram of the display panel.
Looks like Labview add 4 zeros at the end of the right hand of the binary number 12 bit returned by CDA. Is there a simple way to make ADC return numbers like 0, + 1, -1, when the voltage is about zero? I could do the following:
1 convert the values returned by the ADC since I16 to U16.
2 divide by 16.
3 subtract 2048.
I teach students about the basics of analog digital conversion, and I don't want to have to explain this clumsy scheme, if I can avoid it.
Thank you.
Bill
Hi Bill,
Looks like you've discovered the complement representation two that LabVIEW uses to represent signed integers. Not adjusted data are drawn directly on the hardware registers and are represented as they are on the unit.
If you want to convert the values, you can convert as you have indicated. You can also take the opportunity to explain the complement to two of them if it's as part of your course, or you can just put the arithmetic in a VI if you want to hide.
If you look at the unsigned values, you could also explain to them that it is in the voltage range, the value is.
For example, 16-bit unsigned gives a range of 0-65535. If you have selected the voltage range is-10 to + 10 v. If you have 0V, so you should expect a reading around 32768.
Here's the wikipedia article on the complement of two for reference: http://en.wikipedia.org/wiki/Two's_complement
Convert numeric values to listoutput
I have to load a listoutput of host to an external table.The listoutput looks like
GRDNR ZAHL_DAT man
09551972 03.04.2013 1,000.00
20792116 03.04.2013 30.00
18815699 08.04.2013 1,000.00
15688068 18.04.2013 960,00
My problem is, that the value 'Man' has points of numbers.
The script for the outer table is:
CREATE TABLE MIRATOOL . EXT_LQSK74K1
(
GRDNR INTEGER ,
ZAHL_DAT DATE NULL,
MAN NUMBER (7,2) NULL
)
ORGANIZATION EXTERNAL
( ) TYPE ORACLE_LOADER
DEFAULT DIRECTORY PFAD_CSV_IN_HOST
ACCESS PARAMETERS
()RECORDS DELIMITED BY newline
BADFILE "LQSK74K1.bad"
LOGFILE "LQSK74K1.log"
fields
(FILLER1 CHAR(1)
, GRDNR TANK (8)
, FILLER2 TANK (20)
, ZAHL_DAT TANK (10) DATE_FORMAT Date mask 'dd.mm.yyyy'
, FILLER3 TANK (10)
, MAN TANK (10)
)
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LOCATION ()PFAD_CSV_IN_HOST:' LO. SDS.LQSK74K'()
)
REJECT LIMIT of UNLIMITED
NOPARALLEL
NOMONITORING;
How I convert the value 'MAN '?
Well cordially
Klaus
One method would be to load the man as varchar2 values and then use a view with to_number and nls_numeric_characters, to convert, as shown below.
Scott@orcl12c > LO TYPE HOST. SDS. LQSK74K
GRDNR ZAHL_DAT man
09551972 03.04.2013 1,000.00
20792116 03.04.2013 30.00
18815699 08.04.2013 1,000.00
15688068 18.04.2013 960,00
Scott@orcl12c > CREATE or REPLACE DIRECTORY pfad_csv_in_host AS 'c:\my_oracle_files '.
2.
Created directory.
Scott@orcl12c > CREATE TABLE EXT_LQSK74K1
() 2
3 GRDNR INTEGER,
4 ZAHL_DAT DATE NULL,
5 MAN VARCHAR2 (10) NULL
6)
7 EXTERNAL ORGANIZATION
8 (TYPE ORACLE_LOADER
9 DEFAULT DIRECTORY PFAD_CSV_IN_HOST
10 ACCESS SETTINGS
11 (RECORDS DELIMITED BY NEWLINE
12 BADFILE "LQSK74K1.bad."
13 LOGFILE "LQSK74K1.log".
14 JUMP 1
15 fields
16 (FILLER1 CHAR (1)
17, GRDNR (8) TANK
18, FILLER2 CHAR (20)
19, ZAHL_DAT char (10) date mask date_format 'dd.mm.yyyy '.
20, FILLER3 CHAR (10)
21, MAN TANK (10)
22 )
23 )
24 LOCATION (PFAD_CSV_IN_HOST: "LO.) SDS. LQSK74K')
25)
RELEASE 26 UNLIMITED LIMIT
27 NOPARALLEL
28 NOMONITORING
29.
Table created.
Scott@orcl12c > SELECT * from ext_lqsk74k1
2.
GRDNR ZAHL_DAT MAN
---------- ---------- ----------
9551972 03.04.2013 1,000.00
792116 03.04.2013 30.00
8815699 08.04.2013 1,000.00
5688068 08.04.2013 960,00
4 selected lines.
Scott@orcl12c > man COLUMN FORMAT 999,999.00
Scott@orcl12c > test_view VIEW to CREATE or REPLACE AS
2 SELECT grdnr, zahl_dat,
3 CAST
4 (TO_NUMBER
5 (man,
6 "999G999D99."
7 ' NLS_NUMERIC_CHARACTERS = ",". ")
8 as a NUMBER (7.2)) man
9 FROM ext_lqsk74k1
10.
Created view.
Scott@orcl12c > test_view DESC
Name Null? Type
----------------------------------------- -------- ----------------------------
GRDNR NUMBER (38)
ZAHL_DAT DATE
MAN NUMBER (7.2)
Scott@orcl12c > SELECT * FROM test_view
2.
GRDNR ZAHL_DAT MAN
---------- ---------- -----------
9551972 03.04.2013 1 000,00
792116 03.04.2013 30.00
8815699 08.04.2013 1 000,00
5688068 08.04.2013 960.00
4 selected lines.
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