此内容没有您所选择的语言版本。
8.7. Data Type Metadata
- SYS.DataTypes
- This table supplies information on data types. See Section 3.1, “Supported Types”.Column NameTypeDescriptionNamestringJBoss Data Virtualization design-time type nameIsStandardbooleanAlways falseIsPhysicalbooleanAlways falseTypeNamestringDesign-time type name (same as Name)JavaClassstringJava class returned for this typeScaleintegerMax scale of this typeTypeLengthintegerMax length of this typeNullTypestringNullability: "Nullable", "No Nulls", "Unknown"IsSignedbooleanIs signed numeric?IsAutoIncrementedbooleanIs auto-incremented?IsCaseSensitivebooleanIs case-sensitive?PrecisionintegerMax precision of this typeRadixintegerRadix of this typeSearchTypestringSearchability: "Searchable", "All Except Like", "Like Only", "Unsearchable"UIDstringData type unique IDOIDintegerUnique IDRuntimeTypestringJBoss Data Virtualization runtime data type nameBaseTypestringBase typeDescriptionstringDescription of type
Warning
The OID column is no longer used on system tables. Use UID instead.
