SQL · Theory

UPDATE Record

Theory

33/439

UPDATE Record

Sara only reaches for UPDATE Record when UPDATE Record on Sara's board has to stay correct in a viva board.

UPDATE Record on the board: one UPDATE Record step Sara can write from memory. Then say what UPDATE Record on Sara's board looks like after.

UPDATE Record exists so Sara can keep UPDATE Record on Sara's board correct in a viva board.

UPDATE Record shows up in a viva board. Name UPDATE Record on Sara's board, not “a real-world scenario”.

If UPDATE Record on Sara's board breaks under UPDATE Record, check only reciting the name of UPDATE Record first.

UPDATE Record is not a lonely heading. Sara ties it to UPDATE Record on Sara's board.

One breath for UPDATE Record, then UPDATE Record on Sara's board, then only reciting the name of UPDATE Record. Sit down.

Exam tip

For UPDATE Record: definition + a viva board + one failure.

UPDATE Record — sample query

CREATE TABLE products (id INTEGER PRIMARY KEY, name TEXT, price REAL);
INSERT INTO products VALUES (1, 'Mouse', 499);
UPDATE products SET price = 449 WHERE id = 1;
SELECT * FROM products;

UPDATE Record — uPDATE changes existing rows — always scope with WHERE.

Short notes

DefUPDATE Record — Sara uses it for UPDATE Record on Sara's board in a viva board.
RuleUPDATE Record → one UPDATE Record step Sara can write from memory.
RememberUPDATE Record + InnoDB (a viva board).
UseUPDATE Record in a viva board (UPDATE Record on Sara's board).
TrapUPDATE Record — only reciting the name of UPDATE Record.
ExUPDATE Record → UPDATE Record on Sara's board.

SQL · Theory

UPDATE Record

← All stacks

Theory

33/439

UPDATE Record

Sara only reaches for UPDATE Record when UPDATE Record on Sara's board has to stay correct in a viva board.

UPDATE Record on the board: one UPDATE Record step Sara can write from memory. Then say what UPDATE Record on Sara's board looks like after.

UPDATE Record exists so Sara can keep UPDATE Record on Sara's board correct in a viva board.

UPDATE Record shows up in a viva board. Name UPDATE Record on Sara's board, not “a real-world scenario”.

If UPDATE Record on Sara's board breaks under UPDATE Record, check only reciting the name of UPDATE Record first.

UPDATE Record is not a lonely heading. Sara ties it to UPDATE Record on Sara's board.

One breath for UPDATE Record, then UPDATE Record on Sara's board, then only reciting the name of UPDATE Record. Sit down.

Exam tip

For UPDATE Record: definition + a viva board + one failure.

UPDATE Record — sample query

CREATE TABLE products (id INTEGER PRIMARY KEY, name TEXT, price REAL);
INSERT INTO products VALUES (1, 'Mouse', 499);
UPDATE products SET price = 449 WHERE id = 1;
SELECT * FROM products;

UPDATE Record — uPDATE changes existing rows — always scope with WHERE.

Short notes

DefUPDATE Record — Sara uses it for UPDATE Record on Sara's board in a viva board.
RuleUPDATE Record → one UPDATE Record step Sara can write from memory.
RememberUPDATE Record + InnoDB (a viva board).
UseUPDATE Record in a viva board (UPDATE Record on Sara's board).
TrapUPDATE Record — only reciting the name of UPDATE Record.
ExUPDATE Record → UPDATE Record on Sara's board.

UPDATE Record

UPDATE Record — sample query

Short notes

Questions

UPDATE Record

UPDATE Record — sample query

Short notes

Questions