|Query to find the record with most matching columns, where the number of columns and names of columns is unknown?|
| by teabagbrewster in Databases|
I have two tables, X and Y, with identical schema but different records.
Given a record from X, I need a query to find the closest matching record
in Y that contains NULL values for non-matching columns. Identity columns
should be excluded from the comparison. For example, if my record looked
id | col1 | col2 |
|How to bind dataGridView predefined columns with columns from sql statement (without adding new columns)?|
| by Raghu in Programming Languages|
Is there a elegant way, to bind predefined dataGridView columns with
results from sql statement?
some sql like
SELECT t.FirstName as FName, t.EmpID as EID FROM
table t ...
and then I call
|DB2: How to print few columns with conversion along with all other columns without having to write all the names of the columns?|
| by Piriya in Databases|
I have a table having 10 columns, with id, f_name, l_name .....
low_range, high_range, ...
I want to write a query which will
print all my table, but just this low_range and high_range to be converted
I know two things:
1. We can write all
the column names and replacing the
low_range with hex(low_range)
and high_range with high_range.
|Related boolean columns — separate columns or bitpacked into an integer column?|
| by DevTim in Databases|
Hello I have a database for a certain record where it needs to store a 1
or a 0 for each day of the week. So which one would be better? Bitshifting
each bit into an integer and just having an integer in the database named
days or should we make all of them separate boolean values so
sunday, monday, tuesday... columns?
that these columns are onl
|In XlSM excel workbook how to remove data from some columns without affecting formula and its value in the columns in POI|
| by James Lupiani in Programming Languages|
Working on XLSM workbook in that on im trying to remove data from
columns leaving formula containing columns using POI.how to achieve
|reading first 4 columns from a multiple text files (which might have unbalance number of columns by rows) in r|
| by DrMrLordX in Web Design|
I have the following like text (csv) files to read, where first four
columns are of my interest but after that I have alot of junk. I just want
to read first four columns into R.
I want first
four columns, so that output (csv opened in excel) would look like:
I could not paste the whole file nor attach it due to
limitations of SO. Here is smal
|How to compare two columns in Excel (from different sheets) and copy values from a corresponding column if the first two columns match?|
| by ruby-on-rails in Programming Languages|
I'm trying to compare column a in Sheet 1 with column a in Sheet 2, then
copy corresponding values in column b from sheet 1 to column b in Sheet 2
(where the column a values match). I've been trying to read up on how to do
this, but I'm not sure if I should be trying to create a macro, or if
there's a simpler way to do this, maybe VLOOKUP or MATCH? I'm really not
familiar with how these functio
|DataGridView - reordering columns through control trigger reorder columns in bound source|
| by Verbal in Programming Languages|
I'm using VB.Net with VS 2012. I have a DGV that's bound to a datatable
within a dataset. The DGV can be updated by the user, which updates the
datatable bound to the DGV. This all works fine, my problem can be
described in the user flow below:
User opens DGV
reorders rows by clicking the header column in the DGV
arrange and display appropriately
|how to arrange html <table> columns dynamically based on columns sequence given in search|
| by Zack Harvey in Web Design|
I have to diplay output results in table format but columns arrangement
is not fixed it can vary depending on user preference.
please help me in this
|save state of a dataGrid: visible columns, columns width and order|
| by Henrique in Programming Languages|
I want to save remotely (on a database) the state (visible columns,
columns width and order) of a Flex3 DataGrid.
For width and
visibility I can simply save them by accessing each column attribute.. ugly
But for the order? Do I have to create the dataGrid
Any idea is appreciated