Takes n bit arrays and returns a bitwise OR-ing of its arguments using the following logic: for each bit compared, if any bit is 1, return 1; otherwise, return 0.
BIT_OR( bit-expression )
expression The expression for which the value is to be determined. This is commonly a column name.
SQL/2003 Vendor extension.
Suppose you have the following table, t, containing a single column, a, which is a VARBIT data type.
You want to know the OR value for the column. You enter the following SELECT statement, which returns 0111:
SELECT BIT_OR( a ) FROM t;
This result is determined as follows:
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