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Differences in VARCHAR Across Different Databases and Rules for Using the 'N' Prefix in String Queries

In relational databases, VARCHAR is one of the most commonly used string data types ... N' prefix. Differences in VARCHAR Between SQL Server and PostgreSQL SQL Server distinguishes between character ...
搜狐11d

Decoding the VARCHAR and N Prefix in Databases: A Comparative Analysis of SQL Server and PostgreSQL

In the world of relational databases, VARCHAR is one of the most commonly used string data types ... N' prefix. Differences between VARCHAR in SQL Server and PostgreSQL In SQL Server, string types are ...