from typing import Iterable


def sql_and(terms: Iterable[str], *, default: str = "TRUE") -> str:
    """Join a list of SQL statements together in an AND clause.

    Args:
        terms: a list of SQL strings to be combined
        default: SQL to be returned in the case where there are no terms
    Returns:
        String of SQL
    """
    return f'({" AND ".join(f"({term})" for term in terms) or default})'


def sql_or(terms: Iterable[str], *, default: str = "FALSE") -> str:
    """Join a list of SQL statements together in an OR clause.

    Args:
        terms: a list of SQL strings to be combined
        default: SQL to be returned in the case where there are no terms
    Returns:
        String of SQL
    """
    return f'({" OR ".join(f"({term})" for term in terms) or default})'