-689 TOO MANY COLUMNS DEFINED FOR A DEPENDENT TABLE

Explanation
 The maximum number of columns allowed for a dependent
table is 749. The code is used to report that the statement is invalid
because of one of the following:  A CREATE TABLE statement is creating a dependent table with 750
columns.
An ALTER TABLE statement is altering a dependent table with 749
columns to add a column, or altering a table with 750 columns to become
a dependent table.

System action
 The statement cannot be processed.

Programmer response
  Correct the SQL statement to conform to
the column limit for a dependent table.

SQLSTATE
 54011