多條件篩選

使用 AI 進行 SQL 查詢進階

Jasmin Ludolf

Senior Data Science Content Developer

多條件篩選

依多個條件篩選，如書籍類型與發行日期

所有條件皆為真

Prompt: 顯示 1990 年後上映、片長低於 90 分鐘的 English 電影

SELECT title, release_year, duration
FROM films
WHERE release_year > 1990
AND language = 'English'
AND duration < 90;

|title                   |release_year|duration|
|------------------------|------------|--------|
|Showdown in Little Tokyo|1991        |79      |
|Stone Cold              |1991        |88      |
|Teenage Mutant Ninja ...|1991        |88      |
...

二擇一（OR）

Prompt: 顯示 1990 年後上映、語言為 English 或 French 的電影

SELECT title, release_year, language 
FROM films
WHERE (language = 'English' OR language = 'French') AND release_year > 1990;

|title                   |release_year|language|
|------------------------|------------|--------|
|Beastmaster 2: Throug...|1991        |English |
|Bill & Ted's Bogus Jo...|1991        |English |
|Boyz n the Hood         |1991        |English |
...

括號的作用

SELECT title, release_year, language 
FROM films
WHERE language = 'English' OR language = 'French' AND release_year > 1990;

|title              |release_year|language|
|-------------------|------------|--------|
|The Broadway Melody|1929        |English |
|Hell's Angels      |1930        |English |
|A Farewell to Arms |1932        |English |
|42nd Street        |1933        |English |
...

範圍查詢

Prompt: 顯示 1990 到 1999 年間上映的片名與年份

SELECT title, release_year
FROM films
WHERE release_year BETWEEN 1990 AND 1999;

|title                      |release_year|
|---------------------------|------------|
|Arachnophobia              |1990        |
|Back to the Future Part III|1990        |
...

等同於 release_year >= 1990 AND release_year <= 1999

檢查多個值

Prompt: 顯示國家為 Japan、Italy 或 Spain 的片名與國家

SELECT title, country
FROM films
WHERE country = 'Japan' OR country = 'Italy' OR country = 'Spain';

|title                         |country|
|------------------------------|-------|
|Seven Samurai                 |Japan  |
|A Fistful of Dollars          |Italy  |
|The Good, the Bad and the Ugly|Italy  |
...

檢查多個值

Prompt: 顯示國家為 Japan、Italy 或 Spain 的片名與國家

SELECT title, country
FROM films
WHERE country IN ('Japan', 'Italy', 'Spain');

|title                         |country|
|------------------------------|-------|
|Seven Samurai                 |Japan  |
|A Fistful of Dollars          |Italy  |
|The Good, the Bad and the Ugly|Italy  |
...

排除多個值

Prompt: 顯示片名與語言，但排除 English 與 French

SELECT title, language
FROM films
WHERE language NOT IN ('English', 'French')';

|title        |language|
|-------------|--------|
|Metropolis   |German  |
|Pandora's Box|German  |
|Seven Samurai|Japanese|
...

驗證複雜篩選

AND：同時滿足多個條件
OR：接受任一替代
BETWEEN：範圍
IN／NOT IN：多個值
用括號分組條件以控制邏輯

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使用 AI 進行 SQL 查詢進階