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प्रश्न
Mention the difference between fetchone() and fetchmany().
उत्तर
| fetchone() | fetchmany() |
| The fetchone() method returns the next row of a query result set | fetchmany() method returns the next number of rows (n) of the result set. |
| Example: r = cursor. fetchoneQ | Example: r = cursor. fetchmanyQ) |
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संबंधित प्रश्न
Which of the following executes the SQL command to perform some action?
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Which of the following clause avoid the duplicate?
Which method is used to fetch all rows from the database table?
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Give a python statement Using the where clause.
Consider the following table Supplier and item. Write a python script for the following Question?
| SUPPLIER | ||||
| Suppno | Name | City | Icode | SuppQty |
| S001 | Prasad | Delhi | 1008 | 100 |
| S002 | Anu | Bangalore | 1010 | 200 |
| S003 | Shahid | Bangalore | 1008 | 175 |
| S004 | Akila | Hydrabad | 1005 | 195 |
| S005 | Girish | Hydrabad | 1003 | 25 |
| S006 | Shylaja | Chennai | 1008 | 180 |
| S007 | Lavanya | Mumbai | 1005 | 325 |
Display Name, City, and Itemname of suppliers who do not reside in Delhi.
Consider the following table Supplier and item. Write a python script for the following Question?
| SUPPLIER | ||||
| Suppno | Name | City | Icode | SuppQty |
| S001 | Prasad | Delhi | 1008 | 100 |
| S002 | Anu | Bangalore | 1010 | 200 |
| S003 | Shahid | Bangalore | 1008 | 175 |
| S004 | Akila | Hydrabad | 1005 | 195 |
| S005 | Girish | Hydrabad | 1003 | 25 |
| S006 | Shylaja | Chennai | 1008 | 180 |
| S007 | Lavanya | Mumbai | 1005 | 325 |
Increment the SuppQty of Akila by 40
Write a Python script to create a table called ITEM with the following specifications.
Add one record to the table.
Name of the database:- ABC
Name of the table:- Item
Column name and specification:-
| Icode | :- | integer and act as primary key |
| Item Name | :- | The character with a length of 25 |
| Rate | :- | Integer |
| Record to be added | :- | 1008, Monitor, 15000 |
The hat is the use of the HAVING clause. Give an example python script.
