Співбесіда з Ruby. 500+ запитань для Junior, Middle, Senior > Junior - SQL > Flashcards

Junior - SQL Flashcards

(15 cards)

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1
Q

Що таке DML (Data Manipulation Language)?

A
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2
Q

Що таке DDL (Data Definition Language)?

A
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3
Q

Що таке DCL (Data Control Language)?

A
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4
Q

Що таке TCL (Transaction Control Language)?

A
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5
Q

Як вибрати дані з кількох таблиць? Які види JOIN ви знаєте?

A
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6
Q

Які агреговані показники можна використовувати під час вибірки з таблиці?

A
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7
Q

Що таке таблиця у базі даних?

A
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8
Q

Як створити таблицю?

A
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9
Q

Як вибрати записи з таблиці?

A
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10
Q

Як вставити запис у таблицю?

A
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11
Q

Як змінити запис у таблиці?

A
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12
Q

Як видалити запис з таблиці?

A
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13
Q

Як об’єднати вибірку з різних таблиць?

A
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14
Q

Що таке групування або агрегування?

A
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15
Q

Яким чином можна задавати умови агрегування?

A
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