INSTEAD OF Triggers - All Views are Updatable!
Again, strange things would happen if you attempted to update one row in the view, or even worse, update V1.c1 to different values for different rows in the view.Similarly the semantics of INSERT is not clear. This behavior is not intuitively clear, in particular for a user who doesn't know the view's query.There are cases in which a deleted row in the view results in one row deleted in the base table without having an undesired impact on the view
Create a Modified On Column in SQL Server - CodeProject
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Default Value for TIMESTAMP in DB2
Unfortunately SQL Server seems to not have a function to get back the result value of a default constraint expression and then saving the expression in case of constant values is also a little bit strange. (CODE) The data retuned is wrong for the Null value it come back as zero, but it should be 5.35, how do I change my query so I can select the Null value correctly? Regards SQLSearcher Answer: That would be because NULL does not equal NULL
(Assuming the key is known from the .NET system!) Likewise, if a business partner mandates data exchanges are to be encrypted using AES, DB2 can help with this request. In the above example, "For DT" is used to specify which table to reference in the event that the query has multiple tables having a row change timestamp
DB2 10 Universal Table Space - 2012-03-18 - no template
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The columns should have the same names, data types, null attributes, CCSIDs, subtypes, hidden attributes, and field procedures as the corresponding system-period temporal table. The basis of temporal tables: The periodThe period is defined as two columns where the first column represents the beginning of the period and the second column represents the end of the period
This parameter cannot be used with PROGRAM TYPE SUB, SECURITY USER, SECURITY DEFINER, LANGUAGE JAVA, and parameters with a LOB data type or distinct type based on a LOB data type. COMMIT ON RETURN NO (default) means that the UR is not to be committed upon successful return (non-negative SQLCODE) from the procedure or invocation of a UDF
The SQL Procedure: ALTER TABLE Statement
Indexes on Altered Columns When you alter the attributes of a column and an index has been defined for that column, the values in the altered column continue to have the index defined for them. Restriction: When defining overlapping primary key and foreign key constraints, the variables in a data file are part of both a primary key and a foreign key definition
Cheers and a Good Weekend Alex Top Best Answer 0 Mark this reply as the best answer?(Choose carefully, this can't be changed) What you want is a table that relates phone numbers to employees. No spaces please The Profile Name is already in use Password Notify me of new activity in this group: Real Time Daily Never Keep me informed of the latest: White Papers Newsletter Jobs By clicking "Join Now", you agree to Toolbox for Technology terms of use, and have read and understand our privacy policy
The types of objects that can be created depends on which RDBMS is being used, but most support the creation of tables, indexes, users, synonyms and databases
How can I drop a Column from a table? - DB2 Database
You can use the Control Center to drop a column, because it will generate commands to export the data, drop the table, recreate the table without the dropped column, and re-load the data
DB2: Convert existing column to identity - Stack Overflow
IBM Data Movement Tool does this automatically but if you are not using the tool and want a way to sync up start value of the identity column with the data in your database, you can use this stored procedure to sync the data. So far I am able to do so very easily with the following: alter table list alter column id set generated always as identity (start with 0); Unfortunately, I need it to start at the maximum number of the data that is already in the table
You certainly realize that changing a column from NULL to NOT NULL means you lose the null-indicator, while it may still be present in your unload-file
The result of the fullselect must provide a set of columns that match the columns in the existing table (same number of columns, same column definitions, and same names). We need to execute the DB2 LOAD utility to load values into this table in Test; however, the GENERATED ALWAYS clause forces DB2 to generate values for this column
How to change a column from a not null to null - DB2 Database
Browse more DB2 Database Questions on Bytes Question stats viewed: 18759 replies: 2 date asked: Aug 10 '07 Follow this discussion Similar topics How to alter a column from NULL to NOT NULL? how can i change column in gridview best way to add column not null alter column(from null to not null) in DB2 v8.x.x SELECT .. WHERE column IS NULL? not null column with null defaults Primary Key column show null in DataGrid How to change a NOT NULL column to allow NULLs? Improperly nested XML when column contains NULL Cannot change column name
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