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SQLite add Primary Key
I created a table in Sqlite by using the CREATE TABLE AS syntax to create a table based on a SELECT statement. Now this table has no primary key but I would like to add one.
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How can I get the actual stored procedure line number from an error message?
When I use SQL Server and there's an error, the error message gives a line number that has no correlation to the line numbers in the stored procedure. I assume that the difference is due to white space and comments, but is it really?
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MySQL combine two columns into one column
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My guess is that you are using MySQL where the + operator does addition, along with silent conversion of the values to numbers. If a value does not start with a digit, then the converted value is 0.
So try this:
select concat(column1, column2)
Two ways ...
Select all columns except one in MySQL?
...rying to use a select statement to get all of the columns from a certain MySQL table except one. Is there a simple way to do this?
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Get the new record primary key ID from MySQL insert query?
Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key .
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Replace duplicate spaces with a single space in T-SQL
I need to ensure that a given field does not have more than one space (I am not concerned about all white space, just space) between characters.
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SQL Server Output Clause into a scalar variable
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Good way to use table alias in Update statement?
I'm using SQL Server, and trying to update rows from within the same table. I want to use a table alias for readability.
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Why do we need entity objects? [closed]
...ic of your application to reside in your database? This feels wrong to me, SQL is really good at querying data, and not, imho, expressing business logic.
Interesting thought though, although it feels one step away from SQL in the aspx, which from my bad old unstructured asp days, fills me with drea...
SQL query for finding records where count > 1
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