Oracle DW and necessity of date type.

Similar Questions

• VLD-2550 and 2551: CLOB data type errors

  Hi all
  
  I tried to solve thi sproblem, but have not been able to find a solution.
  Basically I have a Col1 (of A table) of the clob data type that is to be mapped to Col2 (table B).
  But when I validate the card I get the error:
  
  VLD-2550: BLOB, CLOB or NBLOB of the remote source data cannot be transformations (control Details: If you have any CLOB, BLOB as a remote data source, it must be directly mapped to a target feature)
  and
  VLD-2551: BLOB LCOB or NBLOB remote data source must be set based ON a SET of generation mode.
  
  My card has a mapping one between the passes of the tables A and B. Col1 is directly related to Col2 (if that is what is meant by any of the transformations of type CLOb)
  
  Thank you very much

  Hello

  If your source table (which the CLOB) is in the remote computer then you must set the mapping mode basic SET and you need to connect directly the source column of the target column.

  If you still get this kind of validation waring and simple not then ignore them.
  This is a defect of OWB. See Bug 5989066 : card VALIDATION WITH BLOB OBJECTS JETTÉ VLD-2550 AND VLD-2551 WARNINGS, which has yet to be fixed.

  Thank you
  Fati

• get the month and year of date type

  Hi all
  I need to get the month and year of type date.
  
  For example

  select to_date('2011-01-17', 'yyyy-mm-dd') from dual;

  Required result:

  01-2011

  Any ideas?
  
  Thanks in advance,
  Bahchevanov.

  select to_char(to_date('2011-01-17', 'yyyy-mm-dd'),'mm-yyyy') from dual;
  

  HTH

• long and long raw data types

  What the different betwwen long and long raw datatypes?

  In addition to the differences, they have something in common:

  "Oracle recommends strongly that you convert the LONG RAW columns to columns LOB (BLOB)".
  http://download.Oracle.com/docs/CD/E11882_01/server.112/e10592/sql_elements001.htm#SQLRF50993
  http://download.Oracle.com/docs/CD/B19306_01/server.102/b14220/datatype.htm#sthref3806

• XmlType and anytype data type

  Hello
  
  I am new to oracle db.want to know one simple thing.
  How to manipulate the XMLtype and datatype anytype data type?
  any link might be useful.
  
  concerning

  http://www.morganslibrary.org/reference/ANYDATA.html
  http://www.morganslibrary.org/reference/collections.html

  Scroll to the bottom of the two demos

  also
  https://codesamples.SampleCode.Oracle.com/servlets/tracking/ID/s483

• Import SQL Developer data change column entire varchar data type

  Hi all
  
  May I ask, how do to change all the data type of columns using a single click? I want to import a csv file that has more columns then 200. When I use SQL Developer to impoprt it to the Oracle database, there is the possibility to change the data type of the columns, but it is posibble only on a column-by-column. How can I do this with just a click of mouse? In the csv file, there are only numbers, not alphabetic or other characters. But SQL Developer sets automaticully VarChar for all columns when importing the csv file. And if the data type of the columns is of type varChar, the data mining model produced only 10% of predictive confidence. If the columns integer (number), the trust is more than 80%. I use about 50 tables, and each table has more than 200 columns, so changing the data type of columns by a something inhuman is ::(((
  I saved the csv as xlsx file, but when I tried to import it with SQL Developer, I chose this xlsx and Developer SQL closed the import window. If I can't import xlsx...
  
  Can someone help me?
  
  Thank you!!!

  You can send the generated here script? I just want to see the DDL Create of the Table and some examples of INSERT statements.

  To remove the rows in the Table, you can run this in the worksheet:

  DELETE

  ;
  COMMIT;

  You can run the Create Table DDL (skip all INSERT queries) to create the table. Then, use the Import Wizard to import data in this table (column all should have correct data types). In the Import Wizard, you can specify the Table to import the data.

• Impact on performance when you use the LONG data type

  Hi all
  
  
  Only I have a doubt about the use of LONG data type
  
  I use the data type LONG for some columns in a table and I created indexes on the columns separately, but these column values can be easily fit into the varchar data type.
  
  (Just to see the performance on this issue)
  
  Suppose that a common select query with WHERE condition on any of the column which has LONG data type will affect the performance of the query?
  
  Please explain.
  
  Thank you

  (1) the LONG (and LONG RAW) data types have been depricated for quite a while. Oracle has been strongly recommends that you move to 8.1.5 CLOB and BLOB data types. Why you use the LONG data type? You're still on Oracle 7?

  (2) have you tried to write a query that has a WHERE condition that refers to a LONG column? In general, you can not because it does not support the type of data LONG. For example

  SQL> ed
  Wrote file afiedt.buf
  
    1  create table a (
    2    col1 varchar2(30),
    3    col2 long
    4* )
  SQL> /
  
  Table created.
  
  SQL> select * from a where col2='abc';
  select * from a where col2='abc'
                        *
  ERROR at line 1:
  ORA-00997: illegal use of LONG datatype
  

  LONG data types are a royal pain to work with. They also have implications on the performance of wicked on the client.

  Justin

• Simulink Inport/Outport data types

  I searched for a while and I am unable to find documentation about what types of data I need to use the inports, outport, settings and in my Simulink models.

  Is there some specific types of data that are, or are not supported?  How VeriStand to determine how to coerce data to send the model?  Also, I was under heard VeriStand uses doubles for everything but then I saw a post that says he uses of I64.

  Any clarification would be much appreciated.

  VeriStand 2013 SP1 (probably upgraded to 2016 in next year if it's relevant)

  MATLAB 2010 b and MATLAB 2012 b (currently)

  > Are there types of specific data that are, or are not supported?

  I don't remember there being any limitation of types beyond what is stated in the considerations help document.

  Considerations relating to the integration of The MathWorks, Inc. Simulink® software models (model Interface T...

  The big hiccup I remember wasn't mainly with types of configurations and data bus.

  IIRC, you can choose any numeric type desired in Simulink. The structure of the model interface that uses VeriStand will handle any type and convert it to double so that it can be consumed by the VeriStand engine.

  > How VeriStand to determine how to coerce data to send the model?

  I think the way it works is that when VeriStand interacts with the Simulink model, it gets a list and information (pointer, data type) of inports, remote villages and settings. Thus, it can capture data from the model (because it has the pointer), and it can cast its data type (because he knows the type) duplicate. If you look at the example model model interface on line 212 it might help to make things more clear on how this could work.

  C:\VeriStand\2016\ModelInterface\custom\examples\template.c

  Double USER_GetValueByDataType (void * ptr, int32_t subindex, int32_t type)
  
  {
  
  	switch (type)
  
  	{
  
  		case 0:
  
  		{
  
  			/ * double * /.
  
  			(double) return (((double *) ptr) [subindex]);
  
  		}
  
  		case 1:
  
  		{
  
  			/ * only * /.
  
  			(double) return (((float *) ptr) [subindex]);
  
  		}
  
    	}
  
  / * return NaN, ok for vxworks and pharlap * /.
  
  	uint32_t nan [2] = {0xFFFFFFFF, 0xFFFFFFFF};
  
  	return *(double*) nan;
  
  }

  I'm guessing that the full implementation of which uses VeriStand is much more complex, but I think that the idea is the same.

  > Also, I was under heard VeriStand uses doubles for everything but then I saw a post that says he uses of I64.

  VeriStand engine uses indeed of all double rooms.

  You happen to remember this post and you can share the link? I'd be curious to see where this is said and in what context.

• How can I dynamically select the shared Variable API programming data type?

  I am trying to create a configuration of open connections of variable shared using the programming API. It seems to me that the cleanest way to do would be to put one "open and check" routine in a loop, then call it for each variable in the library.

  The question that I am running is that I have different types of data in my library (to help a server Modbus i/o and data types 'boolean' and 'single' in my library.) How can I dynamically select the data type of the shared variable API?

  See the attached snipit.

  Thank you

  What I ended up doing was doing a Subvi to open, read, write, and close each data type, I use the packaged in 4 polymorphic SubVIs (polymorphic Open, read, etc...)

  Now all I have to do I drop in the polymorphic Subvi and it switches automatically to the appropriate data type

• the selection of all colomns_names of a table, with their data types...

  HI :)
  
  I would like to know, how to select in SQL for all the names of columns in a table with their data types so that I get something like this:
  
  Table 1: table_name
  
  the ID of the column has the NUMBER data type
  the name of the column has Datatype Varchar2
  *....*
  
  --------------------------------------------------------------
  
  Table 2: table_name
  
  the check in the column has the NUMBER data type
  the air of the column has Datatype Varchar2
  *....*
  
  
  and it must be for all the tables that I own!...
  
  P. S: I'm trying to do this with java, so it s would be enough if you just tell me how to select all tables_names with all their colums_names and all their data types!...
  
  Thanks :)
  
  
  
  I've heard this can be done with USER_TABLES... but I have no idea how: (...)
  
  Edited by: user8865125 the 17.05.2011 12:22

  Hello

  USER_TAB_COLUMNS data dictionary view has a row for each column of each table in your schema. The columns TABLE_NAME, COLUMN_NAME and DATA_TYPE contains all the information you need.
  Another view of data, USER_TABLES dictionary, can be useful, too. He has a line of table pre.

• Syntax of data type and name - still new for Oracle

  If I have an Employees table and that I needed the data type and the name of each column of the EMPLOYEES table
  
  
  What is the syntax?
  
  
  Is - CREATE AN EMPLOYEE in SIGHT?
  
  Thank you
  
  I use Oracle 10g express and Oracle SQL * MORE.
  
  Published by: user11915244 on 24 Sep, 2009 19:03

  call sqlplus

  SQL > DESC EMPLOYEE

• corresponding data types n/b oracle and sql server

  everyone here knows that if there is a list of the data types supported by oracle and sql server (no matter releases and versions?
  
  an immediate response would be appreciated.
  
  Thank you.

  Hello

  Next post might be useful for you:

  http://msdn.Microsoft.com/en-us/library/ms151817.aspx

  If that's what you're looking for, then mark the question answered and closed.

  Kind regards
  Naveed.

• table col name get the details of the table column and inserting of values depending on the data type of the column

  Hello

  I am train to write a procedure where I would spend the table as a parameter name and then the code would determine it is column names, and then he would insert records in each column depending on the data type. could someone help me with this.

  Thank you

  SM

  Hello

  Perhaps you need to dummy data just for the table.

  Here is my exercise

  create or replace
  procedure generate_rows(p_table_name varchar2, p_count number)
  is
    --
    function insert_statement(p_table_name varchar2) return clob
    is
      l_columns clob;
      l_expressions clob;
      l_sql clob default
        'insert into p_table_name (l_columns) select l_expressions from dual connect by level <= :p_count';
    begin
      select
        -- l_columns
        listagg(lower(column_name), ',') within group (order by column_id),
        -- l_expressions
        listagg(
          case
          when data_type = 'DATE'
            then  'sysdate'
          when data_type like 'TIMESTAMP%'
            then  'systimestamp'
          when data_type = 'NUMBER'
            then  replace('dbms_random.value(1,max)',
                    'max', nvl(data_precision - data_scale, data_length)
                  )
          when data_type = 'VARCHAR2'
            then  replace(q'|dbms_random.string('a',data_length)|',
                    'data_length', data_length
                  )
          else
                  'NULL'
          end, ',') within group (order by column_id)
      into
        l_columns,
        l_expressions
      from user_tab_columns
      where table_name = upper(p_table_name);
      --
      l_sql := replace(replace(replace(l_sql,
        'p_table_name', p_table_name),
        'l_columns', l_columns),
        'l_expressions', l_expressions);
      -- debug
      dbms_output.put_line(l_sql);
      --
      return l_sql;
    end;
  begin
    execute immediate insert_statement(p_table_name) using p_count;
  end;
  /
  
  -- test
  create table mytable(
    id number(4,0),
    txt varchar2(10),
    tstz timestamp with time zone,
    dt date,
    xml clob
  )
  ;
  set serveroutput on
  exec generate_rows('mytable', 10);
  select id, txt from mytable
  ;
  drop procedure generate_rows
  ;
  drop table mytable purge
  ;
  
  Procedure GENERATE_ROWS compiled
  Table MYTABLE created.
  PL/SQL procedure successfully completed.
  
  insert into mytable (id,txt,tstz,dt,xml) select dbms_random.value(1,4),dbms_random.string('a',10),systimestamp,sysdate,NULL from dual connect by level <= :p_count
          ID TXT
  ---------- ----------
           3 WnSbyiZRkC
           2 UddzkhktLf
           1 zwfWigHxUp
           2 VlUMPHHotN
           3 adGCKDeokj
           3 CKAHGfuHAY
           2 pqsHrVeHwF
           3 FypZMVshxs
           3 WtbsJPHMDC
           3 TlxYoKbuWp
  
  10 rows selected
  
  Procedure GENERATE_ROWS dropped.
  Table MYTABLE dropped.
  

  and here is the vision of Tom Kyte for the same https://asktom.oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:2151576678914

  Edit: to improve my code, it must use p_count as bind as Tom.

• Hello Sir: I use a generator of form of oracle 10g and I want to search on two dates using between.how it is possible.

  Hello Sir: I use a generator of form of oracle 10g and I want to search on two dates using between.how it is possible.

  I guess its text fields are the date data type.

• Mapping of Data Type from SQL Server to Oracle

  I use Oracle 12 c with heterogeneous services connects to SQL server DB. Some of the columns in the SB of SQL Server are defined as 'nvarchar (max). These come to Oracle as columns of type "long". I would like that these are 'varchar2' types in Oracle, so I do not have any restrictions related to the fields of type "long" when using. I can create a view in SQL Server to convert the data type IE. nvarchar (100). What is the highest value that I can use to make the data to display in Oracle as a varchar? BTW, I tried nvarchar (4000), but which showed any longer. I tried nvarchar (1000) and who showed as a varchar.

  The maximum value for an nvarchar2 in Oracle is 2000. Mapping - If the remote column is mapped to an Oracle varchar/nvarchar - depends on the type of data returned by the ODBC driver. When the driver returns SQL_Varchar, then the maximum precision is 4000 and when it will map it to SQL_WVarchar then it's 2000.

  As your Oracle database uses AL32UTF8 as set of characters that the maps to the Oracle long as your SQL Server nvarchar content is stored using characters UCS2 nvarchar (max), you will get the value that is covered by the database Oracle UTF8 character set. So it shouldn't really matter if the returned string is mapped to an Oracle, varchar or nvarchar.