Using a subquery with a keyword 'IN' to create a dynamic list

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• I used to work with Interbase and Firebird and used databases the keyword "domain". I am now switchig to Oracle as a primary database and would like to find an alternative appropriate "domain" in Oracle, as it appears he does ' t taken in charge the stand

  I used to work with Interbase and Firebird and used databases the keyword "domain".

  I am now switchig to Oracle as a primary database and would like to find a suitable

  Variant of 'area' in Oracle such that it appears he does ' t support the standard SQL syntax.

  for example:

  Create the int2 smallint field;

  create domain id2 int2 default 0 not NULL; / * for the primary key * /.

  create domain rel2 int2 default 0 not NULL; / * foreign key * /.

  I tried a couple of approaches to achieve this "area" is:

  1. create synonym - cannot be used with the basic types;

  2. create the type - type of work, but the implementation is rather clumsy

  and can be costly in terms of performance.

  Is there something else to Oracle that can emulate the feature "domain"?

  Thanks in advence, I got really approciate any help on this.

  Alex.

  Your best approximation is CREATE TYPE, but their is nothing of what is a 100% adjustment.

  For example, if you create a domain with a check constraint you need to implement than separately on each table.

• Question: smart album with no keywords

  Hello

  I keep my pictures organized by keywords.

  When organizing my library in iPhoto, I used a smart album named any keyword with condition 'keyword is not.

  Is there a way to do this in Photos?

  It seems there is no option to 'none '.

  Thank you

  There is no documented option to create an album smart wih "keyword is not".

  You can use a work cycle: rename all of your keywords to start with a fixed prefix "k::" or similar.  And search for photos with "text does not include" k:: "to find the photos without keywords."

• Corresponding to the string of text with a keyword and check whether it exists or not

  We have this DESCRIPTION column, and the data inside it are:

  Mr. Redmond Bred is to have a red balloon. His tie is also red.

  Now, when you use it AS operator with the keyword 'red', he finds a match in these 3 words: Redmond, Bred and red.

  But in my case, the match should happen with the word "red" only. Is this possible?

  Yes, it is possible, for example by using regular expressions.

  Also please note that your first assumption is wrong. The like operator won't find Redmond.

  Example of

  select *
  from dual
  where regexp_like('Redmond''s Bred is having a red balloon. His tie is also red.','(^|\s)red(\s|$)');
  

  Post edited by: SvenW. : added example

• Subquery 'WITH SAWITH0 AS' OBIEE 11 g factoring clause contained in the generated sql code

  I have observed that OBIEE 11 g generates in physics request log query using the (subquery factoring) WITH clause to the generated sql code elegantly readable. It's great! Thanks for the developers. However I have a few questions about it.
  
  __Background__
  Oracle database ' default behavior is that if you have only a subquery in the section, it runs as a perspective in line and he not materialized before the main sql is running. If you have more than one default database engine materializes all the in the order of definition. In some cases, it can completely blow up the SGA and make a query without end. To divert this behavior, you can apply two tips that work both in inline views in subqueries as well: / * + MATERIALIZE * / and / * + INLINE * /, however Analytics 11 g does not seem to have capabilities of Board at the table level logical, only at the level of the physical table.
  
  If we go with the current default settings, the developers do not know this feature can fall on serious performance problems for the sake of a few sweets of syntax to the generated sql level, I'm afraid.
  
  __Questions__
  
  * It is possible to turn the Analytics Server to not use WITH but views inline instead?
  * Is it possible to sneak in a few boards that would the / * + INLINE * / allusion to the proper place in the subqueries generated if necessary
  * Is the Oracle database has any initialization parameter that can influence the behavior of this subquery factoring and divert by default?

  The WITH statement is not added to make the query more elegant, it is added for performance reasons. If your queries slow to run, then you can have a design problem. In a typical DWH DB SGA should be increased seriously given that ran queries are much larger and complex than on an OLTP DB. In all cases, you can disable the WITH statement in the administration tool by double clicking on your database on the physical layer from object in the features tab. The function is called WITH_CLAUSE_SUPPORTED.

• How to join two tables of different schemas of Oracle by using a subquery

  I'm trying to join two different schemas of Oracle tables using a subquery. I can extract data from each of the tables without problem. However, when I combine select statements it by using a subquery I get Oracle error *'ORA-00936: lack of expression ' *. Given that each SELECT statement runs on its own without error I don't understand what's missing. I'm trying to get the result set is matching the LINE_ID of PDTABLE_12_1 in the schema with the table PDTABLE_201 MAT_DESCRIPTION DD_12809 in the RA_12809 schema.
  
  The query is as follows:
  
  SQL = "SELECT [DD_12809]. [PDTABLE_12_1]. LINE_ID OF [DD_12809]. [PDTABLE_12_1] JOIN "_".
  + "(SELECT [RA_12809]. [PDTABLE_201]. MAT_DESCRIPTION "_".
  "FROM [RA_12809]. [PDTABLE_201]) AS FAB "_".
  + 'ON [DD_12809]. [PDTABLE_12_1]. PIPING_MATER_CLASS = FAB. PIPING_MATER_CLASS ".
  
  The format of the request is copied from a manual of programming SQL.
  
  I also tried running the query uses a right JOIN on the two tables, but got the same results. Any ideas would be useful. Thank you!
  
  Published by: user11338343 on October 19, 2009 06:55

  The format for the join of two tables in Oracle feels like any other database:

  SELECT a.col1, a.col2, ..., b.col1, b.col2, ...
  FROM   schema1.table1 a,
         JOIN schema2.table2 b ON a.col = b.col and ...
  WHERE  a.other_col = 'FRED'
  AND    ....;
  

  Do not place bracketed identifiers in Oracle. The account that connects to the database must have select privileges on the two tables.

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  _{Change by a moderator. I changed the title of
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