The ALTER DEFAULT SHADOW ALGORITHM syntax is used to alter a default shadow algorithm.
AlterDefaultShadowAlgorithm ::=
  'ALTER' 'DEFAULT' 'SHADOW' 'ALGORITHM' shadowAlgorithm 
shadowAlgorithm ::=
  'TYPE' '(' 'NAME' '=' algorithmType ',' propertiesDefiinition ')'
    
algorithmType ::=
  string
propertiesDefinition ::=
  'PROPERTIES' '(' key '=' value (',' key '=' value)* ')'
key ::=
  string
value ::=
  literal
algorithmType currently supports VALUE_MATCH, REGEX_MATCH and SQL_HINT.ALTER DEFAULT SHADOW ALGORITHM TYPE(NAME="SQL_HINT");
ALTER, DEFAULT, SHADOW, ALGORITHM, TYPE, NAME, PROPERTIES
