How to check if an entry already exists inside a table (SQL using Python)
Question
I am new to this. I've established a connection to my Oracle database using cx_Oracle. Say that I have a table named "student" with the following infos: "name","age","student_number","adress". Now i'm looking into inserting another row to the table. How do I check if student_number 6 already exist? Thanks in advance!
1 answers
solution1
1 2014-03-18 20:23:55
我真的建议您看一下SQL的基础知识...
SELECT * FROM "student" WHERE "student_number" = 6
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.
Related Question
Python: How to check if an entry already exists in a sql database?
Python - SQLAlchemy using exists() to check if data already in table?
How to check if a table exists using python?
“How to fix the error table already exists in sql in a python IDE using CREATE method?”
Python/Rest. Check if entry already exists and do something
Check if entry exists in MongoDB using Python Flask
How to check if there is an entry that exists in an array/list in Python?
Oracle with Python - How to check if column already exists?
Python 2.7: How to check if row already exists?
How to check if file already exists, if not, download on Python?
Related Tags