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Difference between one-to-many and many-to-one relationship
...at may be associated with many rows in another table. In the example from SQL for beginners, one Customer may be associated to many Orders.
In the opposite many-to-one relationship, the local table may have many rows that are associated with one row in another table. In our example, many Orders m...
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
I'm migrating some stuff from one mysql server to a sql server but i can't figure out how to make this code work:
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Pass Array Parameter in SqlCommand
I am trying to pass array parameter to SQL commnd in C# like below, but it does not work. Does anyone meet it before?
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SQL Data Reader - handling Null column values
I'm using a SQLdatareader to build POCOs from a database. The code works except when it encounters a null value in the database. For example, if the FirstName column in the database contains a null value, an exception is thrown.
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A transport-level error has occurred when receiving results from the server [closed]
I'm getting a SQL Server error:
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The transaction log for the database is full
...atabase Properties > Files > Database Files > Path
To check full sql server log: open Log File Viewer at
SSMS > Database > Management > SQL Server Logs > Current
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Return rows in random order [duplicate]
Is it possible to write SQL query that returns table rows in random order every time the query run?
6 Answers
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Add default value of datetime field in SQL Server to a timestamp
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In sql server design view i tried it, it say value must match one of the items in list! so i made it on back end side
– shareef
Mar 9 '19 at 4:34
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SELECT INTO using Oracle
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select into is used in pl/sql to set a variable to field values. Instead, use
create table new_table as select * from old_table
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Adding an identity to an existing column
...Exec sp_rename 'Names.Id_new', 'ID', 'Column'
See the following Microsoft SQL Server Forum post for more details:
How to alter column to identity(1,1)
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