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Table vs View

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Table vs View

Don’t start Table vs View with jargon. Start with a fail-list view. That is the whole point.

For Table vs View, an index is in play. Don’t blame it until you have traced a fail-list view.

Without Table vs View, teachers’ report gets messy and a fail-list view is hard to trust.

Neha ships Table vs View in teachers’ report. That is the use case worth saying.

Table vs View miss — trying to UPDATE a non-updatable view. Fix it before you talk about advanced SQL.

Place Table vs View next to nearby SQL work — CREATE VIEW fail_list AS … is the link.

Close Table vs View with — “If I skip it, a fail-list view goes wrong like this: trying to UPDATE a non-updatable view.”

Exam tip

For Table vs View: definition + teachers’ report + one failure.

Table vs View — sample query

CREATE TABLE employees (id INTEGER PRIMARY KEY, name TEXT, salary INTEGER);
INSERT INTO employees VALUES (1, 'Asha', 70000), (2, 'Ravi', 50000);
CREATE VIEW high_pay AS
  SELECT name, salary FROM employees WHERE salary >= 60000;
SELECT * FROM high_pay;

Table vs View — a view is a stored SELECT you can query like a table.

Short notes

DefTable vs View — Neha uses it for a fail-list view in teachers’ report.
RuleTable vs View → CREATE VIEW fail_list AS ….
RememberTable vs View + an index (teachers’ report).
UseTable vs View in teachers’ report (a fail-list view).
TrapTable vs View — trying to UPDATE a non-updatable view.
ExTable vs View → a fail-list view.

CREATE TABLE employees (id INTEGER PRIMARY KEY, name TEXT, salary INTEGER); INSERT INTO employees VALUES (1, 'Asha', 70000), (2, 'Ravi', 50000); CREATE VIEW high_pay AS SELECT name, salary FROM employees WHERE salary >= 60000; SELECT * FROM high_pay;

Table vs View

Table vs View — sample query

Short notes

Questions

Table vs View

Table vs View — sample query

Short notes

Questions