29 lines
375 B
Markdown
29 lines
375 B
Markdown
# Identify what locking table
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## Method 1
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```SQL
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SHOW open tables WHERE In_use > 0;
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```
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## Method 2
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```SQL
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SELECT
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OBJECT_SCHEMA,
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OBJECT_NAME,
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GROUP_CONCAT(DISTINCT EXTERNAL_LOCK)
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FROM
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performance_schema.table_handles
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WHERE
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EXTERNAL_LOCK IS NOT NULL
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GROUP BY
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OBJECT_SCHEMA,
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OBJECT_NAME;
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```
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## Process list
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```SQL
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SHOW PROCESSLIST;
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``` |