compact-database

I'm new to SQL Server Compact edition. I'm using Compact edition 3.5. I tried renaming the table. But, I couldn't do that through the following query. alter table tablename to newname Plz, someone help me......... hgulyan Try this sp_rename '[OldTableName]' , '[NewTableName]' Check links below for more information http://blog.sqlauthority.com/2008/08/26/sql-server-how-to-rename-a-column-name-or-table-name/ http://erikej.blogspot.com/2007/08/hidden-gem-rename-table.html Good Luck! UPDATE Here you can find a similar question How do I rename a table in SQL Server Compact Edition? You can try this

I'm using C# 2010 Express. I have created a SQL Server CE database file ( .sdf ) then created Information table and ID, Name, City columns with Database Explorer. I want to save names and city user will write to the form. The auto-increment option is disabled in Database explorer and Properties windows. When I'm saving something to that database i must change the ID manually, how can I make ID column auto-increment enabled? There is a simple way for SQL CE: ALTER TABLE TableName ALTER COLUMN ColumnName IDENTITY (/*seed*/1, /*increment*/1) 来源： https://stackoverflow.com/questions/5052922/how-to

After running for a long time, I get more and more holes in the id field. Some tables' id are int32, and the id sequence is reaching its maximum value. Some of the Java sources are read-only, so I cannot simply change the id column type from int32 to long , which would break the API. I'd like to renumber them all. This may be not good practice, but good or bad is not concerned in this question. I want to renumber, especially, those very long IDs like "61789238", "548273826529524324". I don't know why they are so long, but shorter IDs are also easier to handle manually. But it's not easy to