Αποτελέσματα Αναζήτησης
Quick Start: Developing Python Applications for Oracle Autonomous Database. For this tutorial, you will need Python 3.6 (or later), cx_Oracle 7.3 (or later), and access to Oracle Database. The Advanced Queuing section requires Python cx_Oracle to be using Oracle client libraries 12.2 or later.
31 Ιαν 2023 · For example, to execute a SELECT statement, you can use the following code: # Execute a SELECT statement. cursor.execute('SELECT * FROM table_name') # Fetch the results. results = cursor.fetchall() # Loop through the results. for row in results: print(row)
9 Αυγ 2017 · con = cx_Oracle.connect(your_db_connection_string) cursor = con.cursor() cursor.execute(your_sql_select_statement) results = cursor.fetchall() con.close() Then the variable results should be a list of your results, and then you can do whatever you need with that list.
30 Αυγ 2018 · Get a cursor and execute a statement. Once we have a cx_Oracle connection object, we can create a cursor by executing the cursor() function and then execute a statement. To do this, I wrote a function with two parameters: the connection object and the statement text, and this returns the cursor that has been executed in the function:
4 Δεκ 2016 · I'd like to use the IN clause with a prepared Oracle statement using cx_Oracle in Python. E.g. query - select name from employee where id in ('101', '102', '103') On python side, I have a list [1...
If you want to pass data to and from the Oracle database, you use placeholders in the SQL statement as follows: sql = ('select name ' 'from customers ' 'where customer_id = :customer_id') Code language: Python (python) In this query, the :customer_id is a placeholder. It is also known as a bind variable or bind parameter.
25 Οκτ 2024 · The keyword SELECT signals to the database that you want to retrieve some data. The specific data you want to pull comes from the columns you specify, like column1 and column2. These are the fields you’re interested in seeing. The FROM part of the query tells the database exactly which table to pull that data from.
