SQLSpecialColumns

function SQLSpecialColumns(

  StatementHandle: SQLHSTMT;

  IdentifierType: SQLUSMALLINT;

  CatalogName: PSQLCHAR;

  NameLength1: SQLSMALLINT;

  SchemaName: PSQLCHAR;

  NameLength2: SQLSMALLINT;

  TableName: PSQLCHAR;

  NameLength3: SQLSMALLINT;

  Scope: SQLUSMALLINT;

  Nullable: SQLUSMALLINT

):SQLRETURN;