I’m about selecting all employees who come New York but whenever I run the query, I always get a “Enter Parameter Value” box. How can I fix this? Answer This is because Access does not allow you to use field aliases in the query – it does not recognize [City Name] as a valid field name. Aliases ar…
Tag: select
SQL: How to select 1st, 3rd, 11th and nth row from a table?
How to select 1st, 3rd, 11th and nth row from a table? Answer If there is a primary key defined for the table that is an integer based data type–both MySQL and SQLite have auto_increment for example–then you can use: …where id is the auto_increment column. There’s very little detail to…
How do I UPDATE from a SELECT in SQL Server?
In SQL Server, it is possible to insert rows into a table with an INSERT.. SELECT statement: Is it also possible to update a table with SELECT? I have a temporary table containing the values and would like to update another table using those values. Perhaps something like this: Answer
How to select columns from a table which have non null values?
I have a table containing hundreds of columns many of which are null, and I would like have my select statement so that only those columns containing a value are returned. It would help me analyze data better. Something like: Select (non null columns) from tablename; I want to select all columns which have at…
SELECT (* – some_columns) FROM TABLE in SQL
I have a table with many columns among which I’d like to omit a few alone in my ‘select’ query. Something like select (* – columns_to_be_omitted) from myTable. Is there a way to do this, other than listing all the other columns in the query? This is a one-time manual query, so I’…