32 lines
482 B
Markdown
32 lines
482 B
Markdown
---
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parents:
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- "[[Вопросы для собеседование Java]]"
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---
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```sql
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CREATE INDEX idx_example ON table_name (column1, column2);
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```
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***
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1:
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```sql
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SELECT * FROM table_name WHERE column2 = 'value2';
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```
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2:
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```sql
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SELECT * FROM table_name WHERE column1 = 'value1' AND column2 = 'value2';
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```
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3:
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```sql
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SELECT * FROM table_name WHERE column1 = 'value1';
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```
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4:
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```sql
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SELECT * FROM table_name WHERE column2 = 'value2' AND column1 = 'value1';
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```
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%%
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2, 3, 4, 1
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%% |