Which one is faster ienumerable or iqueryable?

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List and explain the different types of join clauses supported in ansi-standard sql?

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what is a join? : Sql dba

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how many sql dml commands are supported by 'mysql'? : Sql dba

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Is sql dba a good career? : SQL DBA

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We have a CURSOR then we need BULK COLLECT?

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What is using in sql?

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what is difference between procedure and function, procedure and trigger?

8 Answers   iFlex,

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i have a column which may contain this kind of value: 123*67_80,12*8889_5,34*8_874 ,12*7_7 (can contain space before a comma, and this string length can be anything) now i want to split this value into two column like: column1: 123*67,12*8889,34*8,12*7 column2: 80,5,874,7 use function for this

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what's the difference between a primary key and a unique key? : Sql dba

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what is difference between pass by value and eference by value in oracle plsql

1 Answers  

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SELECT category, type, AVG(price) FROM products GROUP BY category, type ORDER BY 1, 2 If there are three distinct categories in the "products" table, and each one has five different types, how many rows are returned by the query above? 1. 1 row 2. 3 rows 3. 5 rows 4. 8 rows 5. 15 rows

3 Answers  

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