Python programming | Insert data into database table using python
Video topics:
00:00 - Intro
00:15 - Code Glance (import libraries, create connection, create cursor, execute sql)
00:33 - try-catch-except
03:45 - Insert statement
05:20 - executing the code
This is the third video of Database programming with Python. In this video, we will see how to connect to the Oracle database using the cx_oracle package and insert a record into the table using the execute method. The table has been created in the second video of the tutorial series.
execute method takes in the SQL statement that you want to execute, and optionally you can send the list of data that will replace the bind variables in the SQL statement or a dictionary with the appropriate bind variables names.
Steps performed:
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Create Connection
Create Cursor
Prepare insert into statement
Execute Statement with execute()
commit/rollback the connection
close the cursor
close the connection
The cx_Oracle is a Python extension module that enables access to Oracle Database. It conforms to the Python database API 2.0 specification with a considerable number of additions and a couple of exclusions.
cx_Oracle 7 has been tested with Python version 2.7, and with versions 3.5 through 3.8. You can use cx_Oracle with Oracle 11.2, 12, 18 and 19 client libraries. Oracle's standard client-server version interoperability allows connection to both older and newer databases. For example, Oracle 19c client libraries can connect to Oracle Database 11.2.
Links to all videos related to Database programming with Python
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1. Install cx_Oracle : • Python | How to Install python packages
2. Create connection and create table : • Python Programming | Connect to an Oracle ...
3. Insert record into the table with execute() : • Python programming | Insert data into data...
4. Insert multiple records into the table with executemany() : • Python programming | How to insert multipl...
5. Retrive all the data from the table using the fetchall() : • Python programming | Select or get data fr...
6. Retrive one record from the table using the fetchone() : • Python programming | Select or get data fr...
7. Retrive specific number of records from the table using the fetchmany() : • How to read data from table in python | ex...
8. Use Bind Variables in the select statement to avoid complicating the query with concatenation operation : • Python programming | Executing SQL queries...
9. use callproc method to execute oracle procedure with parameters : • Python programming | How to execute Oracle...
10. use callfunc method to execute oracle function with parameters : • How to execute Oracle Function from Python...
Tools used in creating and executing the scripts:
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VSCode - Visual Studio Code
SQL Developer
Links used while creating the content:
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https://en.wikipedia.org/wiki/Pip_(pa...)
https://oracle.github.io/python-cx_Or...
https://github.com/oracle/python-cx_O...
Content and video created by - Kishan Mashru
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