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Oracle Apps DBA: Keeping E-Business Suite Alive · Module 14 · Upgrades and platform moves

Moving to a different platform

Lesson 148 of 184 · 3 min

What changes, what is supported, and THE CHARACTER SET QUESTION THAT HAS TO BE SETTLED FIRST. A platform move is a migration rather than a clone — Module 6 Lesson 7 — and the character set is the decision that must be made before anything else, because it cannot be changed afterwards without repeating the entire exercise. THE CHARACTER SET DETERMINES WHICH CHARACTERS THE DATABASE CAN STORE, AND CHANGING IT IS A DATA OPERATION RATHER THAN A SETTING. An estate on a legacy single-byte character set holds data that fits it — and moving to a Unicode character set is a conversion, with a length question underneath it. THAT LENGTH QUESTION IS WHERE THE FAILURES ARE. A character that took one byte may take two or three in Unicode, so a value that fitted a column may no longer fit. In this market that is not a corner case: Arabic…

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In this module: Module 14 · Upgrades and platform moves

  1. 1Upgrade, migration, or move
  2. 2Why estates fall behind
  3. 3Assessing what an upgrade will touch
  4. 4The rehearsal, and how many you need
  5. 5Timing the outage
  6. 6The go or no-go decision
  7. 7Moving to a different platform
  8. 8Moving EBS to a cloud VM
  9. 9What breaks: three upgrade failures
  10. 10Lab briefing · Plan an upgrade you will not run