Depending on what SQL you are using, you may be able to define an array of SQL booleans, avoiding lentgh limitations.

<binary string type> ::= BINARY [ <left paren> <length> <right paren> 
+] | { BINARY VARYING | VARBINARY } <left paren> <length> <right paren
+> | LONGVARBINARY [ <left paren> <length> <right paren> ] | <binary l
+arge object string type>
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If BINARY is used without specifying the length, the length defaults to 1.