How can I do 'insert if not exists' in MySQL?

mysqlsqlsql-insertprimary-keyunique-constraint
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Solving a "communications link failure" with JDBC and MySQL

javamysqljdbc
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Rank function in MySQL

mysqlsqlrank
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Project Links do not work on Wamp Server

phpmysqlapachewampwampserver
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead

phpmysqldeprecated
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