The following DELETE statement works on the emp_dept view: DELETE FROM emp_dept WHERE ename = 'SMITH'; This DELETE statement on the emp_dept view is legal because it can be translated to INSTEAD OF triggers in views are covered later in this chapter. However, the view is not yet usable. Read 3 Oct 12 - The Financial - IBM and TransWorks Collaborate to Help Louisiana-Pacific Corporation Achieve Supply Chain Efficiency... http://ecoflashapps.com/cannot-modify/cannot-modify-table-or-view-used-in-subquery.html
Please type your message and try again. 4 Replies Latest reply on May 12, 2014 6:55 AM by jmproulx Fields with a Lock in Modify Table View jmproulx May 12, 2014 Custom Object as Standard Controller: Plural Or Singular 40 Vertices And A Connected Graph, Minimum Number Of Edges? Read 8 Sep 11 - TMCnet.com - IBM Offers Database Solution to Enable Smart Meter Data Capture... Here are some general guidelines for creating views: Names of views must follow the same rules for identifiers, discussed in Chapter 7, "Designing and Creating a SQL Server Database," and they
In any case load into temp table is works alse on old stsndard engines. –Diego Scaravaggi Jun 1 '11 at 11:00 add a comment| Your Answer draft saved draft discarded Read 2 Feb 11 - DBTAs - Informix 11.7 Flexible Grid Provides a Different Way of Looking at Database Servers... Re: Update query with table reference in subquery (views: 1105)John Miller iii -- Tuesday, 8 December 2009, at 1:52 p.m. [ View Thread ] [ Post Response ] [ Return to So, UPDATE, DELETE, and INSERT operations cannot be performed on this view.
Read 8 Jul 11 - Database Trends and Applications - Managing Time Series Data with Informix... For example: CREATE VIEW emp_dept_oj1 AS SELECT empno, ename, e.deptno, dname, loc FROM emp e, dept d WHERE e.deptno = d.deptno (+); The statement: SELECT * FROM emp_dept_oj1; Results in: EMPNO See Also: Oracle Database Reference for complete descriptions of the updatable column views Altering Views You use the ALTER VIEW statement only to explicitly recompile a view that is invalid. Operator ASCII art Best way to remove old paint from door hinges Is there any known limit for how many dice RPG players are comfortable adding up?
The following statements create the appropriately constrained table definitions for emp and dept. The key preserved table can be repeated in the FROM clause. The following statement creates a view on a subset of data in the emp table: CREATE VIEW sales_staff AS SELECT empno, ename, deptno FROM emp WHERE deptno = 10 WITH CHECK http://www.oninit.com/errorcode/index.php?pageid=-360 Read 19 May 10 - The New Blog Times - Misurare il consumo energetico: DEHEMS è pronto...
Is adding the ‘tbl’ prefix to table names really a problem? To restrict the rows in a view, you use the same kinds of criteria in a WHERE clause that you are already familiar with. Is there a word for turning something into a competition? How do I unlock it?
Views still, however, don't allow you to perform any of the other major SQL actions besides selecting—views can't contain INSERT, UPDATE, or DELETE statements or DDL (Data Definition Language). http://members.iiug.org/forums/ids/index.cgi/read/18300 Read 6 Feb 12 - PRLOG - Informix port delivers unlimited database scalability for popular SaaS application ... Views can be used in place of tables in your Access front-end application, whether you're using an Access database or an Access project. Nothing happened.
The updatable columns in view emp_dept are shown below. his comment is here Read 25 Jan 11 - PR Newswire - Bank of China in the UK Works With IBM to Become a Smarter, Greener Bank... not in Informix SQL sintax. CREATE VIEW emp_mgr AS SELECT e1.ename, e2.ename mname FROM emp e1, emp e2 WHERE e1.mgr = e2.empno WITH CHECK OPTION; See Also: Oracle Database SQL Language Reference for syntax and additional
How can I avoid the program quitting when Perl's DBI encounters an error preparing a statement? Using a view to filter data on the server is much more efficient than fetching an entire table and then applying a filter on the client. However, I can't find any documentation claiming that tables can be changed to a Read Only state. this contact form DML Statements and Join Views The general rule is that any UPDATE, DELETE, or INSERT statement on a join view can modify only one underlying base table.
Ciao Diego Sql server 2005 2008 update from: UPDATE B1 SET B1.PARAMETER_DS = 'UPDATED' FROM B_PARAMETERS B1 WITH(ROWLOCK) INNER JOIN (SELECT B2.* FROM B_PARAMETERS B2 WITH(NOLOCK) WHERE FAMILY_ID = 5 ) I can do that in SQLServer and Access, why not in Informix? You cannot do that. CREATE TABLE dept ( deptno NUMBER(4) PRIMARY KEY, dname VARCHAR2(14), loc VARCHAR2(13)); CREATE TABLE emp ( empno NUMBER(4) PRIMARY KEY, ename VARCHAR2(10), job VARCHAR2(9), mgr NUMBER(4), sal NUMBER(7,2), comm NUMBER(7,2), deptno
Nothing happened as I started to key in information. Can clients learn their time zone on a network configured using RA? The rules for updatable join views are shown in the following table. http://ecoflashapps.com/cannot-modify/cannot-modify-the-library-file.html ORDER BY, COMPUTE, and COMPUTE BY clauses or the INTO keyword can't be used in views.
Replacing Views To replace a view, you must have all of the privileges required to drop and create a view. Can I hint the optimizer by giving the range of an integer? What's the best way to build URLs for dynamic content collections? Read 9 Apr 12 - Mastering Data Management - Upping the Informix Ante: Advanced Data Tools...
Listing 9.2 shows the syntax for creating an encrypted view. Views that meet these criteria are said to be inherently updatable. Why did Michael Corleone not forgive his brother Fredo? Re: Fields with a Lock in Modify Table View jmproulx May 12, 2014 5:59 AM (in response to Vyke) All the fields that can't be removed are on the Body part
You can replace views in the following ways: You can drop and re-create the view. What Views Are Good For The primary use of views is to present data to users of an application. Read 10 February 2010 - The Wall Street Journal - International Business Machines is expanding an initiative to win over students and professors on its products. However, Transact-SQL includes an extension to the language that allows you to select TOP values with a view; to support that, it also supports sorting.
An exception to this is INSTEAD OF triggers, which are new to SQL Server 2000 and are discussed later in this chapter. It is sufficient that if the key or keys were selected, then they would also be keys of the result of the join. For example, to query the Division1_staff view, enter a valid SELECT statement that references the view: SELECT * FROM Division1_staff; ENAME EMPNO JOB DNAME ------------------------------------------------------ CLARK 7782 MANAGER ACCOUNTING KING 7839 Expansion of Defining Queries at View Creation Time When a view is created, Oracle Database expands any wildcard (*) in a top-level view query into a column list.
This simplifies access to the data because the underlying query does not have to be written on the client and then submitted each time a report is run. A view derives its data from the tables on which it is based. I can do that in SQLServer and Access, why not in Informix? The OR REPLACE clause replaces the current definition of a view and preserves the current security authorizations.