MSSQL gateway nvarchar data type conversion

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• Create another data base of Liquibase changelog: automatic data type conversion

  I need to convert the structure of PostgreSQL databases to Oracle. In PostgreSQL, I a postgres database.

  In Oracle, I have an empty database in which I want to write to postgres database in PostgreSQL.

  Actually, I didn't need the data, only the structure (relationships).

  For this, I use Liquibase. I get the changelog of PostgreSQL with the command:

  Liquibase.

  -driver = org.postgresql.Driver.

  --classpath="C:\db_drivers\postgresql-9.3-1102.jdbc3.jar------.

  --changeLogFile="./postgresql_changelog.Xml------.

  -url = "" jdbc:postgresql://localhost:5432 / postgres "\"

  -username = schema_name_here.

  -password = *.

  -logLevel = debug.

  -defaultSchemaName = Ms.

  generateChangeLog

  After that, I try to create objects in the Oracle database:

  
  

  Liquibase

  -driver oracle.jdbc.OracleDriver =

  --classpath="C:\db_drivers\ojdbc14.jar".

  --changeLogFile="./postgresql_changelog.xml".

  --URL="JDBC:Oracle:thin:@ip_here:orabeta".

  -username = *.

  -password = *.

  Update

  Does not work: ORA-00902

  Here is a fragment of postgresql_changelog.xml:

  ...

  < changeSet author = '(generated) Alexey' id = "1409146335011-53" >

  < create table tableName = "TABLE1A" >

  < column name = "total_pk" type = 'INT8' >

  < forced nullable = "false" / >

  < / column >

  < column name = "form_fk" type = 'INT8' >

  < forced nullable = "false" / >

  < / column >

  ...

  I also generate a pure SQL file:

  
  

  Liquibase

  -driver oracle.jdbc.OracleDriver =

  --classpath="C:\db_drivers\ojdbc14.jar".

  --changeLogFile="./postgresql_changelog.xml".

  --URL="JDBC:Oracle:thin:@ip_here:orabeta".

  -username = *.

  -password = *.

  updateSQL > update.sql

  Here is a fragment of update.sql:

  
  

  ...

  CREATE THE TABLE SCHEMA_HERE. TABLE1A (total_pk form_fk INT8 INT8 NOT NULL,.. .etc);

  INSERT INTO SCHEMA_HERE. TABLE1A (ID, $form_id,... etc.)

  ...

  I want to generate the file, in which all the data types correspond to the target database, that is to say I want to create. I can write a simple parser that replace the data types, but this isn't the right solution - can be a lot of data.

  It is possible to get changelog from a database and update another database on a different server this changelog RDBMS? I need to get the automatic and Automatic data type conversion generate XML data / SQL output with the data types of target database.

  Or maybe there is an option to generate output data types with "abstract"? That is to say with data types that are not in the actual databases, for example, instead of INT8 - whole, etc.

  I would be very grateful for the information. Thank you all.

  Why not to use pg_dump to extract the schema in a file of script that you can then 'change '?

• Problems with the Long data type conversion

  With the help of Oracle 11 G.
  
  I have a vision where one of the name of the column is of type long, I need to convert in varchar2. I tried using the to_Lob() function, but this error:
  
  ORA-00932: inconsistent data types: expected - got LONG
  
  I followed this article (step 1), which suggests to use to_lob()
  
  My query is:
  

  select
  item1, -- this is of type LONG
  item_vat, 
  price_pc_tot,
  from xd_item_price_view 

  I tried to convert it into:
  

  select
  to_lob(item1) as item1_x, -- this is of type LONG
  item_vat, 
  price_pc_tot,
  from xd_item_price_view 

  I am confused about the "-", why he would expect that? Thanks for watching it.

  >
  Sorry mate, just realized that. Yep, this is the one I followed (step 1 using to_lob())
  >
  It's a case of 'use' along in a query or search.

  But you can use to_lob as part of creating a new table.

  Response to see Dom Brooks in this thread
  Re: Conversion long to varchar2

  And he directly answered your original question
  >
  But you can't use TO_LOB in a statement SELECT right:

• DATE in TIMESTAMP data type conversion

  Hello
  
  My question is this:
  
  1. I have a variable of type DATE, which I attribute the value of SYSDATE

   mydatevar DATE:= SYSDATE;

  2. I want to find * «today» *, truncated to DATE

    TRUNC (mydatevar, 'DD')

  TRUNC function returns the DATE data type. So I get to the point for example 2 *'2010-01-13 00:00:00 ' *.
  
  3. I want to assign the value of the point 2, to a variable of type TIMESTAMP

    mytimestampvar TIMESTAMP := mydatevar;

  implicitly that will convert the variable DATE to TIMESTAMP.
  
  Problem: when converting (implicit and explicit conversion with a format mask), I lose hours "00" and "00" minutes and receive something like this: "10 January 13 * 12 *. 00.00.000000000 AM.
  
  Question: How can I convert a DATE to TIMESTAMP keeping the hours and minutes zeros?
  
  Why I need this conversion: I have a table with one "column1" TIMESTAMP column (0) and I take only the rows of the table, where 'column1' is in the range of today 12:00 in the morning until now (what time it is).
  
  Features of the database NLS:
  

  PARAMETER                           VALUE
  NLS_LANGUAGE                           AMERICAN
  NLS_TERRITORY                   AMERICA
  NLS_CURRENCY     $
  NLS_ISO_CURRENCY                    AMERICA
  NLS_NUMERIC_CHARACTERS     .,
  NLS_CHARACTERSET                    AL32UTF8
  NLS_CALENDAR                            GREGORIAN
  NLS_DATE_FORMAT                    DD-MON-RR
  NLS_DATE_LANGUAGE            AMERICAN
  NLS_SORT     BINARY
  NLS_TIME_FORMAT                     HH.MI.SSXFF AM
  NLS_TIMESTAMP_FORMAT             DD-MON-RR HH.MI.SSXFF AM
  NLS_TIME_TZ_FORMAT             HH.MI.SSXFF AM TZR
  NLS_TIMESTAMP_TZ_FORMAT     DD-MON-RR HH.MI.SSXFF AM TZR
  NLS_DUAL_CURRENCY              $
  NLS_COMP                             BINARY
  NLS_LENGTH_SEMANTICS               BYTE
  NLS_NCHAR_CONV_EXCP             FALSE
  NLS_NCHAR_CHARACTERSET     AL16UTF16
  NLS_RDBMS_VERSION             10.2.0.4.0

  Session settings are the same.
  
  DBTIMEZONE is "+ 02:00".

  Verdi wrote:
  Problem: when converting (implicit and explicit conversion with a format mask), I lose hours "00" and "00" minutes and receive something like this: "10 January 13 * 12 *. 00.00.000000000 AM.

  I don't think you lose necessarily any information whatsoever. It is probably more a function of your NLS_TIMESTAMP_FORMAT and NLS_DATE_FORMAT. For example, your NLS_DATE_FORMAT could be default setup for a HH24 (24 hours) which would report to midnight as hours of "00". However, it seems that your NLS_TIMESTAMP_FORMAT is configured with "HH" format with a Meridian indicator that means 12 hours time.

  Your comparisons should use date/timestamp data types anyway, so as long as the input value is correctly converted to date type that shouldn't matter in any case.

  You can see what is actually stored by using the DUMP function:

  SQL> SELECT  DUMP(TO_TIMESTAMP(TO_CHAR(TRUNC(SYSDATE,'DD'),'MM/DD/YYYY HH:MI:SS AM'))) AS TSTAMP
    2  ,       DUMP(TRUNC(SYSDATE,'DD')) AS DT
    3  FROM DUAL
    4  /
  
  TSTAMP                                                                      DT
  --------------------------------------------------------------------------- --------------------------------------------------
  Typ=187 Len=20: 218,7,1,13,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0                  Typ=13 Len=8: 218,7,1,13,0,0,0,0
  

  As you can see the TSTAMP and DT store almost the same values (218,7,1,13), but the TSTAMP has more precision because of fractions of a second.

  HTH!

  Published by: Centinul on January 13, 2010 07:23

• Control data type conversion

  Topology Manager only allows me the conversion to data type of technology to another. SQL Server has a data type BIT. Default is to convert to a CHAR in Oracle. However, it coverts TANK (1) and the interface fails because the data contains "True" or "False" as values. This forces me to change manually (5) tank & then run again. How can I adjust the settings so that the BIT converts char (5) instead of char (1)?
  
  Thank you
  Dinesh.

  Hi dieng

  Go to the topology, under Oracle and create a new data type, name char5 for example.

  In the text box NAME and CODE OPPOSITE the word "TANK" in the CODE, let's CHAR5 text box

  in the text box: CREATE the TABLE SYNTAX and SYNTAX of DATA WRITEBLE of writing type: char (5)

  In the tab "Convet to", you can associate the SQL BIT for this new data type.

  This help you?

• Variant data type conversion

  Hi all

  I use VI Scripting in LabVIEW 2010. I need to know the data type of the wire connected to a Terminal. Terminal wire reference gives a property called "Datatype". I thought that this will help me. But he is a variant and how do I actually convert the data to find out the data type. Specifically, I want to make use of data type of cluster. How do I know if the wire is of type cluster?

  Thanks for any help.

  You want to use the 'GetTypeInfo.vi' VI "LabVIEW 20xx\vi.lib\Utility\VariantDataType\" folder for this!

  I would recommend installation of this Package of VI because it adds these features to pallets:

  https://decibel.NI.com/content/groups/hidden-gems-in-vilib

  Here's what it looks like:

  

• data type conversion error

  Hello
  I have the insert under certain conditions
  

  insert into temp1(no number) 
   SELECT (CASE WHEN TO_NUMBER(TO_CHAR(SYSDATE,'DDMMYYYY')) BETWEEN                                 TO_NUMBER(TO_CHAR(START_DATE,'DDMMYYYY')) AND
           TO_NUMBER(TO_CHAR(END_DATE,'DDMMYYYY'))
          THEN NVL(ORG_ID,0) ELSE 0 END)
  FROM temp2;

  but get the following error:
  
  ERROR at line 3:
  ORA-00932: inconsistent data types: expected TANK got the NUMBER
  
  
  could you please give hint to resolve this error:
  
  Josh

  If your arguments start_date and end_date DATE data type, then you can simply use TRUNC

  INSERT INTO temp1(no)
  SELECT CASE WHEN TRUNC(sysdate) BETWEEN TRUNC(start_date) AND TRUNC(end_date)
               THEN NVL(TO_NUMBER(org_id),0)
              ELSE 0
         END
    FROM temp2
  

• Table data type conversion

  I have a simple problem.

  I have a string type 2D chart. The array is an array with the column names and the lines which are numbers.

  I want to extract the lines, but I want them out in the form of numbers that I can make a mount for them online.

  I have to select each item and convert the string to a number?

  Is there a function that converts a string number (orange line) (pink line)?

  Is there a smarter way?

  murchak wrote:

  Thank you. Your solution works but element-wise.

  But is there a VI that applies to the whole range 2D to change its type?

  ??

  He works on a table in its entirety both in my version of LabVIEW.

  

• Data type conversion

  Hi experts,

  Try to convert the varchar2 systimestamp date

  EX:

  Entry (varchar2) - 26-FEB-14 02.22.45.231073 PM

  output should be (column format - systimestamp)-HH24:MI:SS MM/DD/YYYY

  Thanks in advance

  R

  Hello

  7688438 wrote:

  ... Target table:

  T1

  (C2 timestamp

  );

  OUTPUT SHOULD BE:

  I need the output to the format MM/DD/YYYY HH24:MI:SS

  sample:

  26/02/2014 02:22:45

  26/02/2014 02:19:11

  This is contradictory.

  The timestamps have no any format.  (Or, to be excruciatingly correct, they all have the same format, which is nothing like ' MM/DD/YYYY HH24:MI:SS' or ' LUN-JJ-AA HH.MI.) SS. AM FF ' or something else that you use to display the values.) Only those channels have formats like ' MM/DD/YYYY HH24:MI:SS' and you certainly do not want to store information about the dates and times of a string column.

  TO_CHAR display a TIMESTAMP in a given format.  You can also use ALTER SESSION to change the default format, so that the timestamps are displayed in a given format (unless you are using TO_CHAR to convert them to strings).

  For example:

  ALTER SESSION SET NLS_TIMESTAMP_FORMAT = "DD/MM/YYYY HH24:MI:SS";

  NLS_TIMESTAMP_TZ_FORMAT allows to do the programming for the TIMESTAMP WITH time ZONE SCHEDULE thing.

  Your DBA can do something similar to change your system's default format.

  See:

  http://edstevensdba.WordPress.com/2011/04/07/NLS_DATE_FORMAT/

  What it says on the DATEs apply to parking meters as well.

• Problem with the data type date

  Hi team
  
  
  I'm very confused in the associated date coversion
  
  for example if I have question
  Select name, hire_date from employee
  
  the o/p looks like this
  
  Suresh 24/05/1999, but if I need to display as 24-May-1999, should I use
  and please help me understand
  
  Function TO_NUMBER to_char TO_DATE, I bit confused in this? Please you can get a few suggestion to laymensterm
  
  Thank you
  Suresh

  If you want to present a DATE data type in a specific format, you will use TO_CHAR.
  If you want to transform a (varchar2) STRING to a DATE data type in a specific format, you will use TO_DATE.
  Never compare strings to dates
  Never compare strings to numbers
  You never rely on implicit data type conversions
  Long version:
  http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:2858890655722

• issue of data types

  Hi all
  What is the difference between varchar and nvarchar data types?
  Nvarchar is better for database performance?
  If I have a table with several columns such as number, and I do a lot of calculations, what is the best way to use indexes?
  Thanks in advance.
  
  John B

  user9542267 wrote:
  Can you explain what you mean by "all the space reserved varchar2?

  Means if I said varchar2 (20), in the field of the table is to book and use 20 places, although we do not store any data. Do you know what I mean?

  This is false. VARCHAR2 and NVARCHAR2 are of variable length data types. If you said TANK so I would agree with you. I recommend you re-read the definitions of data types.

• Conversion of the data type of a table column

  Hello
  
  I have a column with the varchar2 data type. I want to convert to number data type. But the data in the table are not lost. Can someone suggest me how to convert the column with the varchar2 data type to store the data in the table of number data type.
  
  Thanks in advance

  try something like this

  create table t(col varchar2(10));
  insert into t values('1');
  insert into t values('2');
  commit;
  select * from t;
  alter table t add  col1 number;
  update t set col1 = to_number(col);
  commit;
  alter table t drop column col;
  alter table t rename column col1 to col;
  select * from t;
  

  Published by: Karthick_Arp on April 6, 2009 12:32 AM

• conversion of data types

  Hello
  
  How to convert date data type number data type:
  
  Using to_char and to_number
  
  Thank you
  
  Published by: josh1612 on November 17, 2008 12:37 AM

  What are your needs. What is your output of input and expected.

  Without that no one can give you the right solution. And why you want to convert first date in number?

  Somehow here is an example.

  SQL> create table t(dt date)
    2  /
  
  Table created.
  
  SQL> insert into t values(sysdate)
    2  /
  
  1 row created.
  
  SQL> select * from t
    2  /
  
  DT
  ---------
  17-NOV-08
  
  SQL> select to_char(dt,'ddmmyyyy') from t
    2  /
  
  TO_CHAR(
  --------
  17112008
  
  SQL> select to_number(to_char(dt,'ddmmyyyy')) from t
    2  /
  
  TO_NUMBER(TO_CHAR(DT,'DDMMYYYY'))
  ---------------------------------
                           17112008
  

• Convert or map Typedonnees decimal Transact-SQL for Oracle Number data type?

  MSSQL 2005
  Oracle 10.2 g
  
  In a MSSQL table, I have a column with the data type set on (decimal (1.0), null) with the values of line-1. (695 lines in total)
  
  In the Oracle table, the proposed mapped column is a number data type. When I import data, I received 695 errors with the message "invalid value for the field. How to properly convert or map Decimal (MSSQL) Transact-SQL for Oracle Number data type for a negative value?
  
  Thank you.

  How do you load data into Oracle? What tool or programming language you are using? Can you post something cause what you stated in your post should work, but there may be some ODBC, or other type of conversion factors to be taken into account.

   > create table t1 (field1  number(1,0));
  
  Table created.
  
   > insert into t1 values (-1);
  
  1 row created.
  
  UT1 > select * from t1;
  
      FIELD1
  ----------
          -1
  

  HTH - Mark D Powell.

• issues of data type of waveform in labview

  Hello! IM creating an osciloscope in labview, but im having problems try to get a few items in waveform.

  I need to get items such as the XSCALEMAXIMUM to the type of waveform data (dark brown) not on DBL (orange).

  I already watch every single video on youtube and also gone thorugh many forums. but I still don't know how to get the data type of waveform elements.

  When I give graphics right click on wavefirn and select Create > property node > Y sacle > range > all items, if what I get

  but I need for this .

  This is what im trying to do im I can't see any conversion attempt.  then TI loks like its an option that I have not available or so.

  helpe me please!

  If you connect a waveform to a graph and then create a node property, you will get the type of waveform. If you have a connected DBL and create a node property, you will get the type DBL. Simple as that.