What is sql query optimization?
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What jobs use sql?
I want to know last five transactions or records from emp table, from now?
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Why query optimization is needed?
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table name: prod there are three fields in the table that are 1.proddate 2.prodQty 3.model Day wise prodQty is stored in the table prod write a query to display total prodqty in the year 2004 april.
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What is the use of function in sql?