Can I use… T175, “Generated columns”


Apache DerbyaBigQueryDb2 (LUW)H2bMariaDBcMySQLcOracle DBdPostgreSQLeSQL ServerfSQLiteggenerate always as (…)
  1. Limited constraint support
  2. Requires explicit data type: col_name integer generated always as …
  3. Requires explicit data type: col_name integer generated always as … • Supports storage optionsLimited constraint support
  4. Supports storage options
  5. Requires explicit data type: col_name integer generated always as … • Requires storage option stored
  6. Only without data type: col_name integer generated always as … • Only without keywords generated alwaysLimited constraint support
  7. Supports storage options • Data type not honored if specified • Limited constraint support

Normative References

T175, “Generated columns” is defined in ISO/IEC 9075-2:2016. It first appeared in ISO/IEC 9075-2:2003.

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