What is 19 null in sql?


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How many rows can sqlite handle?

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Is it possible to link two groups inside a cross products after the cross products group has been created?

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What is compute?

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What is write ahead logging in sql server?

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What is fmtonly in sql?

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If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??

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What are the query optimization techniques?

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I have one table,in that table (1)i have java1.1 version books are 2 and java1.5 version books are 4. (2).Net2.0 books are 3, .Net3.5 books are 2 (3)ABC1.6 books are 4, ABC2.0 books are 3. Now i want output is like Book Count Java 6 .Net 5 ABC 7 For this i need sql query, please help me if anyone how to get this result. Thanks, Seenu

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what is an alias command? : Sql dba

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