SAP HANA SQLScript · Database Objects: Tables, Views, Sequences, Triggers

What does DROP TABLE prompt before it permanently deletes a table and all its data?

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More in Database Objects: Tables, Views, Sequences, Triggers

A view is called a "virtual table." What does it actually store, and what's the point of it?

A parameterized view's parameters all have default values. Can you call it as SELECT * FROM v;?

You mark a column PRIMARY KEY, then also add NOT NULL and UNIQUE to the same column. What is redundant?

A table has UNIQUE(a, b). You insert (NULL, 5) and then (NULL, 5) again. What happens?

You run a bare CREATE TABLE (no ROW or COLUMN keyword) on HANA 2.0 SPS 02, then the same statement on SPS 03. Do you get the same storage type?

You must process millions of rows but read only 3 of the table's 40 columns. ROW store or COLUMN store?

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