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30 lines
615 B
Markdown
30 lines
615 B
Markdown
---
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mapped_pages:
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- https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-operators-logical.html
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---
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# Logical operators [sql-operators-logical]
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Boolean operator for evaluating one or two expressions.
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## `AND` [sql-operators-and]
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```sql
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SELECT last_name l FROM "test_emp" WHERE emp_no > 10000 AND emp_no < 10005 ORDER BY emp_no LIMIT 5;
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```
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## `OR` [sql-operators-or]
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```sql
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SELECT last_name l FROM "test_emp" WHERE emp_no < 10003 OR emp_no = 10005 ORDER BY emp_no LIMIT 5;
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```
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## `NOT` [sql-operators-not]
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```sql
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SELECT last_name l FROM "test_emp" WHERE NOT emp_no = 10000 LIMIT 5;
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```
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