Here are some issues which may catch you out from time to time. In each case Sql Server and Oracle, or Oracle Sql and PL/Sql, or versions of Oracle, work differently. Continue reading SELECT statement gotchas in Oracle and Sql Server
As you probably realise, this post deals with apportionment in finance data warehouses, not the U.S. Constitutional Apportionment Problem, interesting though that topic is. Continue reading Apportionment calculations in Sql Server and Oracle
An ETL batch should not fail because of minor source data errors. In data warehousing it is assumed that there will be data quality issues. These should be dealt with. If they are not handled properly the batch may break on flaws which have no importance in reporting terms.
Oracle’s DML Error Logging feature has been around for a while and can prevent batch failures Continue reading Planning the use of Oracle DML Error Logging to make an ETL Batch more reliable