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Db2 for i

Showing 389

IBM DB2 SQL Table: Database Manger Identity / Duplicate Key

SQL Table created in IBM Navigator for I. Identity column created as decimal, 9 in length. Database manager generates value is set to always and cycle values when the maximum or minimum value is reached is checked. There is also a primary key cons...
almost 6 years ago in IBM i / Db2 for i 4 Not under consideration

For queries requiring table scan agsinst of large, 100,000,000+ row tables, split the query into multiple threads based on a percentage of total table pages

WHY: Improved one off query performance against large, 100,000,000+ row tables. WHO: My customer has transaction log tables that can record millions of transactions per day. Peaking just above 58 million per month in the last 6 months. Maintaining...
over 1 year ago in IBM i / Db2 for i 1 Functionality already exists

0N002 - A character cannot be mapped to a valid XML character.

Since we started using SQL more and more to build and parse XML we are running into SQL state error of 0N002 - A character cannot be mapped to a valid XML character. Our only known fix for this is to do a regular expression statement on each colum...
over 7 years ago in IBM i / Db2 for i 2 Not under consideration

Allow stored procedures created as *PGM objects to be called as exit point programs

When using the CREATE PROCEDURE SQL statement to create a *PGM Object it is NOT possible to call the generated object outside of SQL; doing so results in an error reporting "Pointer not set". Looking at the code generated as an intermediary step i...
over 1 year ago in IBM i / Db2 for i 4 Not under consideration

"create type" with all characteristics like column table

Improve the SQL "create type" command by adding the column header, the field text and all the possible features that are in a field of a table. In this way it would be possible to create the tables by simply referring to the "type" without definin...
about 6 years ago in IBM i / Db2 for i 3 Future consideration

Support ability to 'Lock In' a DB2 Plan

The DB2 optimizer continually reevaluates all conditions/variables to create the best plan at that moment. And almost always, the optimizer creates the best plan. There are times however, when the optimizer makes a poor choice. And when it does, t...
almost 8 years ago in IBM i / Db2 for i 1 Not under consideration

Requesting a series of SQL examples to add queries f trace results.

As we add more external systems connecting to the IBM i, the number of times the traces have been required to determine a failure is growing. I have had to open several tickets/case over time to get IBM Support to decode the traces for us. This pr...
over 1 year ago in IBM i / Db2 for i 1 Not under consideration

DB2 Next Identity Value has incorrect value

The majority of new tables we create contain a record identity column defined as GENERATED BY DEFAULT, starting at 1, increment by 1. This column is also the primary key for the tables. Most inserts into tables do not specify a value for the recor...
about 8 years ago in IBM i / Db2 for i 2 Future consideration

Optim Test Data Management - LOAD Feature -Db2 for i - Table columns with "Generated Always" constraint

Db2 for I does not support IBM InfoSphere Optim to load into a column with the 'Generated Always' constraint. Use Case: System: IBM InfoSphere Optim Test Data ManagementActor: Customer Use cases for the system: 1. Mask and load data into a Db2 tab...
almost 5 years ago in IBM i / Db2 for i 2 Not under consideration

Problem with CPYFRMIMPF command and file with CCSID = 1208 UTF-8

When using command CPYFRMIMPF FROMCCSID(1208) UTF-8 and *FIXED format, each national characters coded on 2 bytes are causing shifting of data in output file. As explained by iGSC in PMR 61492,001,822 when using *FIXED format and multi-byte code po...
over 8 years ago in IBM i / Db2 for i 3 Not under consideration

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