name 3 ways to get an accurate count of the number of records in a table? : Sql dba

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How do I count duplicates in sql?

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What is pseudo column ?

6 Answers   ABB,

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How can you tell the difference between an index and a view?

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what are the disadvantages of mysql? : Sql dba

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what is the bond code in materialized view?

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How do you remove duplicates without using distinct in sql?

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What is sequence in sql?

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Can we rollback after truncate?

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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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Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.

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What are % type and % rowtype?

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