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DBID

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The DBID structure encapsulates various ways of identifying a database object. It is used by nodes that must represent a column name, such as column_name, index_name, table_name, schema_name, catalog_name, and so forth. (For more information on these nodes, see Catalog of DML Nodes.) This structure is also used to define bindings.

typedef struct tagDBID {
  union {
    GUID   guid;
    GUID * pguid;
  } uGuid;
  DBKIND eKind;
  union {
    LPWSTR pwszName;
    ULONG  ulPropid;
  } uName;
} DBID;

Remarks

The DBID structure identifies the requested columns for a query. Each unique column is represented by a unique combination of GUID and number or GUID and name.