2023-10-20 13:26:01 +00:00
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# Some basic commands for Clickhouse
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## Show tables in the database
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```sql
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show tables from oneuptime
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```
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## Show table structure
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```sql
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desc table_name from oneuptime
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```
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## Show table data
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```sql
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select * from table_name
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```
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## Delete table data
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```sql
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truncate table_name
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```
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## Delete table
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```sql
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drop table oneuptime.table_name
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```
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2023-10-20 16:43:50 +00:00
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## Insert for nested data
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```sql
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INSERT INTO opentelemetry_spans (trace_id, span_id, attributes.key, attributes.value) VALUES
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('trace1', 'span1', ['key1', 'key2'], ['value1', 'value2']),
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('trace2', 'span2', ['keyA', 'keyB'], ['valueA', 'valueB']);
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```
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