You can also use the
EXPLAIN statement for joins.Result of the EXPLAIN Statement
EXEC SQL EXPLAIN SELECT
one.key ten1.keyft1, ten2.keyft2These EXPLAIN statement produces the following output:
TABLE NAME |
COLUMN_ |
STRATEGY |
PAGE COUNT |
TEN1 ONE TEN2 |
KEF KEYFT2 |
RANGE CONDITION FOR KEY COLUMN
JOIN VIA KEY COLUMN
JOIN VIA KEY COLUMN RESULT IS COPIED, COSTVALUE IS |
1250 125 1463 97 |