Reserved names
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YSQL reserves the following names for internal usage. Exception will be raised when these names are used even when they are double-quoted.
| Names | Description |
|---|---|
oid |
System column |
tableoid |
System column |
xmin |
System column |
cmin |
System column |
xmax |
System column |
cmax |
System column |
ctid |
System column |
ybctid |
Virtual column |
Prefixed with pg_ |
System database objects |
Prefixed with yb_ |
System database objects |