Data import and export feature is not available with SQL Server Express.
Again a wrong information and senseless I dont know how import export wizard matter here. It was not available in SQL Server 2005 but from 2008 onwards it is available for express edition
Pradeep
Third party application can connect to SQL Server and such there is no limitation with connection AFAIK but please check documentation I gave at the bottom. Yes there is limitation with
Database size Max 10G from SQL Server 2008 R2 and above. This does not includes size of log file so log file can be bigger than 10 G
RAM Not more than 1.5 G of RAM for DB engine
CPU Single core only
Please see
Features supported by various edition of SQL Server
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My Technet Wiki Article
MVP