This tutorial explains how to convert a date to a number in three different scenarios: 1. Convert One Date to Number 2. Convert Several Dates…

# Category: Uncategorized

You can use the following formulas to calculate the sum of values in Excel for cells that are not equal to some value: Method 1:…

A ratio is used to compare two numbers. Ratios are useful for understanding how large one value is compared to another. For example, suppose A…

The following step-by-step example shows how to group values in a pivot table in Excel by uneven intervals. Step 1: Enter the Data First, let’s…

The following step-by-step example shows how to group values in a pivot table in Excel by range. Step 1: Enter the Data First, let’s enter…

You can use the following syntax to select a random sample of documents from a collection in MongoDB: db.myCollection.aggregate([ { $sample: { size: 4 }…

You can use the $ne operator (which stands for “not equal”) in MongoDB to query for documents where a field is not equal to a…

You can use the following operators in MongoDB to perform greater than or less than queries: $lt: Less than $lte: Less than or equal $gt:…

You can use the following syntax to insert a document into a collection in MongoDB only if it doesn’t already exist: db.teams.update( { team :…

You can use the $round operator in MongoDB to round numeric values to a certain number of decimal places. This operator uses the following basic…