# Create oracle user and groups groupadd oinstall groupadd dba useradd -g oinstall -G dba oracle
Skipping 12c is possible with dbupgrade from 11.2.0.4 to 19c (requires non-CDB mode). oracle database 11g release 2 11.2.0.3 iso
mount -o loop V38589-01.iso /mnt su - oracle cd /mnt ./runInstaller # Create oracle user and groups groupadd oinstall
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: It extended Hybrid Columnar Compression (HCC) support to Pillar Axiom and Sun ZFS Storage Appliance hardware, previously an Exadata-exclusive feature, enabling compression ratios between 10x and 50x.