SAP HANA SQLScript · Write Access to the Database (DML)

In an UPDATE ... FROM, what goes wrong if the WHERE matches several source rows for one target row?

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More in Write Access to the Database (DML)

In SAP HANA, how do the REPLACE and UPSERT statements differ?

When UPSERT uses a WHERE clause instead of WITH PRIMARY KEY, what must that WHERE still contain?

In UPSERT table_1 SELECT ... FROM table_1 WHERE key2 = 2, what does the WHERE apply to?

What can MERGE INTO do that UPSERT cannot, and from which HANA version is it available?

Which SAP Note recommends MERGE INTO over UPDATE ... FROM, and what happens if you omit one MERGE branch?

You DELETE FROM a table, realize it was wrong, and run ROLLBACK. Does the data come back?

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