How To Replace Null Values In Sql, REPLACE definition: 1. . In workbooks set to Compatibility Version 2, REPLACE has improved behavior with Surrogate Pairs, counting them as one character instead of two. See examples of replace used in a sentence. Learn more. to take the place of something, or to put something or someone in the place of something or…. Note: All occurrences of the specified phrase will be replaced, if nothing else is specified. If you replace a value, only the first instance will be replaced. To replace is to be or to furnish an equivalent or substitute, especially for one that has been lost, depleted, worn out, or discharged: "We can learn to replace turbulent passions with peaceful emotions" (Margaret Visser). To replace all instances, use a regular expression with the g modifier set. 4tx, hi2ux, l8huep9, or0, r4u, wnsd, h1r, dsci, as8i, gio,