In Microsoft SQL Server, for example, a primary key usually equates to a clustered index. In SQLite, a primary key is usually just a unique index and is distinct from the special rowid column name.

What version of OpenCart are you reporting this for? OpenCart 4.0.2.2 Describe the bug Primary keys on sub tables changed every time you edit an item. SQL queries for updating data in OpenCart shou ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and ...

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Basic SQL Each record has a unique identifier or primary key. SQL, which stands for Structured Query Language, is used to communicate with a database. Through SQL one can create and delete tables.