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Update select-for-share.sql
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sql-queries-11/lock-single-row-mysql/select-for-share.sql

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//First Session
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// First Session
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START TRANSACTION;
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SELECT *
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FROM DEPARTMENT
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WHERE id=5
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FOR SHARE;
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//Second Session
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// Second Session
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START TRANSACTION;
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SELECT *
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FROM DEPARTMENT
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WHERE id=5
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FOR SHARE;
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//Second Session
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// Second Session
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SELECT *
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FROM DEPARTMENT
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WHERE id=5
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FOR UPDATE;
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//First Session
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// First Session
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COMMIT;
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//Second Session
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// Second Session
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START TRANSACTION;
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UPDATE DEPARTMENT
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SET code='MA'

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