What is foreign key sql?

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I have a table .in the table 100 recored is there .we have get the single row with out using clause..

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Is microsoft sql free?

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what is the difference between truncate and drop statements? : Sql dba

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What is record in pl sql?

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a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.

1 Answers   CGI,

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wtite down triggr not any entry on Sunday

2 Answers   NIT,

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How many tables can a sql database have?

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How we can create a table in pl/sql block. Insert records into it? Is it possible by some procedure or function? Please give example?

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Do foreign keys improve performance?

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type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...

1 Answers   Satyam,

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Can we connect to postgresql using sql developer?

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