Is there a good source out there for commonly used datasets?

I just found the MySql world dataset which has saved me a lot of time.

I'm 开发者_JAVA百科wondering is there a good source online for more datasets like this.

E.g. Common professions/jobs, etc.

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Preferably MySql

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You can download Jasper Reports Data Source Samples. They have them in various formats, one of them is CSV which should import in MySQL pretty easily.