Microsoft Excel 2010 can convert a worksheet to a data table to help you quickly analyze your related data in formatted rows and columns. When you need to expand the table layout, apply the Home ...

You can perform several operations on data table columns by selecting items from a pop-up menu. To display the pop-up menu for a column, select the column and click the right mouse button. Figure 2.12 ...

Learn how to handle column name changes in Power Query and prevent workflow failures with expert tips and dynamic solutions.

And, the INDEX-MATCH functions used together make extracting data from a table a breeze. The syntax for the INDEX function is: INDEX (array, row_num, [column_num]).

Using default values on database columns helps to insulate database design issues from application code. Find out how to change a column's default value at a later date using a single command.

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant ...

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

i have a syslog collector setup to push all events from many processes into a database. taking one process, squid, i'm trying to put the Message column from the SystemEvents table into another ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has ...

Limit your file import to no more than 255 columns, which corresponds to the limit of 255 table fields imposed by Access. You can't skip columns when you import into a database that already exists ...