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Using Excel OleDb to get sheet names IN SHEET ORDER
...tring excelFile)
{
OleDbConnection objConn = null;
System.Data.DataTable dt = null;
try
{
// Connection String. Change the excel file to the file you
// will search.
String connString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + excelFi...
Oracle query to fetch column names
I have a mySQL query to get columns from a table like this:
12 Answers
12
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How to create a unique index on a NULL column?
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create unique index UIX on MyTable (Column1) where Column1 is not null
– Jørn Schou-Rode
Dec 2 '10 at 14:54
1
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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
...is raised:
Then within the command window, call GetErrors method on the table getting the error.
For C#, the command would be ? dataTable.GetErrors()
For VB, the command is ? dataTable.GetErrors
This will show you all datarows which have an error. You can get then look at the RowError for each...
Insert all values of a table into another table in SQL
I am trying to insert all values of one table into another. But the insert statement accepts values, but i would like it to accept a select * from the initial_Table. Is this possible?
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How to prepend a string to a column value in MySQL?
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UPDATE tablename SET fieldname = CONCAT("test", fieldname) [WHERE ...]
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Need to list all triggers in SQL Server database with table name and table's schema
I need to list all triggers in SQL Server database with table name and table's schema.
19 Answers
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Mysql: Select rows from a table that are not in another
How to select all rows in one table that do not appear on another?
8 Answers
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Is C++14 adding new keywords to C++?
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Table 4 (Keywords) in N3936 (C++14):
alignas continue friend register true
alignof decltype goto reinterpret_cast try
asm default ...
HTML colspan in CSS
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Tables are structural elements and just because using colspan changes its appearance does not mean it's not. CSS is used to style elements and not change the structure. The W3C discusses table structure here: w3.org/TR/h...