I am new to Database systems and I don't really have the best lecturer and we are learning about Relational algebra and relational calculus, not many videos or help online.
Please can someone assist me with this topic as i would like to get further knowledge...
I am trying to open SQL server configuration manager, after following this question "How to open sql server configuration manager in windows 10?" and steps to show it on Start menu, but when opening configuration manager getting error pop-up with message
Cannot connect to WMI provider. You do not have permission or the server is unreachable. Note that you can only manage SQL Server 2005 and later servers with SQL Server Configuration Manager.
Hello, I am using
nvarchar column to store
datetime as string, but I would like to convert this column from nvarchar into datetime in sql server. How can I do it.
Current time format is '2019-01-29 14:55:50'...
If, we assign the rank to the column
Name. . . . . . Rank
A. . . . 1
C . . . 3
When the user adds the data, the rank is saved in DB(database).
How to update the rank in DB, when user delete the data using knockout?
On click of delete, there is one function called
And in that function table row<tr> is removed using knockout.
Example: if we delete row B its order will be, -1 as deleted item will have rank/order -1 and order/rank of c will be 2
Is, there any alternative way to reset the column value in SQL or something else?
Please, suggest me
When I am trying to execute this query in MySQL Workbench '
DELETE FROM Job;', I am getting below error
Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column. To disable safe mode, toggle the option in Preferences -> SQL Editor and reconnect.
So, how can I resolve this error, why I cannot Execute the simple delete query?...