i want run a sql query query? which phases are run in a back ground? pls tell me the answer

1 Answers  

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Why primary key is required?

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What is crud diagram?

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What are properties of the transaction?

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difference between pl/sql table and normal pl/sql table

2 Answers  

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Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

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Can a primary key be a foreign key?

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Table Student has 3 columns,Student_id,Student_Name & Course_Id. Table Course has 2 columns, Course_Id & Course_Name.Write a query to listdown all the Courses and number of student in each course.

10 Answers   TCS,

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What does cursor do in sql?

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how can we write a column values horizontal by using sql stmt; ex: select name from table_name;(actual output) a b c d require output is a b c d

5 Answers   Honeywell, Interact,

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What is the difference between the Primary and Foreign key?

7 Answers   Cap Gemini,

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what are local and global variables and their differences? : Sql dba

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