Data Modeling Zone, Düsseldorf 2017
The European Data Modeling Zone (DMZ) took place in Düsseldorf from 23-OCT-2017 to 25-OCT-2017....
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Author: abuData
DBCA causes ORA-27104
DBCA fails with error message ORA-27104 on Linux [ 2017-09-03 20:49:06.137 CEST ] Creating and starting Oracle instance DBCA_PROGRESS : 1% DBCA_PROGRESS : 2% [ 2017-09-03 20:49:07.366 CEST ] ORA-27104: system-defined limits for...
Read MoreDB2 is now Db2
Some IBM name changes for DB2: Old name New name DB2 for LUW Db2 DB2 for z/OS Db2 for z/OS DB2 for z/OS Db2 for i DB2 on Cloud Db2 Hosted dashDB for Transactions Db2 on Cloud dashDB for Analytics Db2 Warehouse on Cloud...
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SQL Tuning – filtered rows percentage method
Kevin Meade is the author and publisher of his own book “Oracle SQL Performance Tuning and...
Read MoreSchemaless revolution and data migration burden
The need to model all data up front caused developers to tag relational databases with attributes like inflexible, dated, annoying, painful, etc. It is often not possible anymore to define a schema that remains stable for...
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