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SQLAlchemy is an open-source Python library that provides an SQL toolkit (called "SQLAlchemy Core") and an Object Relational Mapper (ORM) for database interactions. It allows developers to work with databases using Python objects, enabling efficient and flexible database access.
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First normal form (1NF) is a property of a relation in a relational database. A relation is in first normal form if and only if no attribute domain has relations as elements. [ 1 ] Or more informally, that no table column can have tables as values.
Now that's perfect timing. This video shows an adorable marriage proposal that occurred in front of the beluga whale exhibit at the Georgia Aquarium in Atlanta.
A spectacular year awaits, Taurus!According to Thomas' predictions, 2025 is going to bring forth many "surprises and fresh starts" your way. If the past few years have seemed like a whirlwind ...
Buy now, pay later company Affirm strikes $4B loan deal with private credit firm Sixth Street. Leslie Picker, CNBC. December 13, 2024 at 6:38 AM ... If a consumer is late or misses a payment, they ...
Boyce–Codd normal form (BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stricter version of the third normal form (3NF). By using BCNF, a database will remove all redundancies based on functional dependencies .
For example, using an AutoNumber field for a customer ID might reveal information that it is desirable not to reveal to, say, customer number 6. This is one example of occasion where the start value of an AutoNumber field is raised, so that customer number 6 has, say, AutoNumber field value 10006.