MySQL 8.0 Keywords and Reserved Words 1895 • OVER  (R); added in 8.0.2 (reserved) • OUTFILE  (R) • OUTER  (R) • OUT  (R) • OTHERS ; added in 8.0.2 (nonreserved) • ORGANIZATION ; added in 8.0.4 (nonreserved) • ORDINALITY ; added in 8.0.4 (nonreserved) • ORDER  (R) • OR  (R) • OPTIONS • OPTIONALLY  (R) • OPTIONAL ; added in 8.0.13 (nonreserved) • OPTION  (R) • OPTIMIZER_COSTS  (R) • OPTIMIZE  (R) • OPEN • ONLY • ONE • ON  (R) • OLD ; added in 8.0.14 (nonreserved) • OJ ; added in 8.0.16 (nonreserved) • OFFSET • OFF ; added in 8.0.20 (nonreserved) • OF  (R); added in 8.0.1 (reserved) O • NVARCHAR • NUMERIC  (R) • NUMBER • NULLS ; added in 8.0.2 (nonreserved) • NULL  (R)