In this post, you’ll learn about the error message -811 the result of an embedded select statement is a table of more than one row, or the result of the subquery of a basic predicate is more than one value in the IBM DB2 database , the reason why it occurs along with the solution to fix it
IBM DB2 Error Message
-811 the result of an embedded select statement is a table of more than one row, or the result of the subquery of a basic predicate is more than one value
Reason for the Error
More than one row retrieved in SELECT INTO
Execution of an embedded SELECT statement has resulted in a result table containing more than one row.� Alternatively, a subquery contained in a basic predicate has produced more than one value.
Solution
Ensure COLLECTION name is in DB2 PLAN. Recompile and BIND the DB2 program. Verify correct LOAD library is being used.