explain primary keys and auto increment fields in mysql : sql dba

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How collections are improve the performance?

1 Answers   Polaris,

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What are the different types of a subquery?

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How many databases can sql express handle?

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1. is it possible to use the cursor atttibutes (%found ,% rowcount , %isopen , %notfound ) to our user defined cursor names ....... cursor cursor_name is select * from scott.emp if you use... cursor_name%found , %rowcount ,%isopen,%notfound...will it work... -------------------------- 2.what is the difference between the varray and index by table .. -------- 3. type type_name is table of number(8,3) index by binary_integer; identifier_name type_name; first , last , prior , next ,trim are the methods we can use it for the above type...simillary is there any way to apply for cursors... with thanks and regards..sarao...

0 Answers   Satyam,

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What are system versioned tables?

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what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )

2 Answers   Tech Mahindra,

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What is the difference between between and in condition operators?

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function can return multiple value?how give give sample coding

2 Answers   3i Infotech, CTS, Excelity Global, UHG,

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How can we overcome recursive triggers in SQL?

1 Answers   iFlex,

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What is not equal in sql?

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What is the purpose of cursors in pl/sql?

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