SQL SERVER replace() function description

1. The syntax of replace()

REPLACE ( string_replace1 , string_replace2 , string_replace3 )

Parameter analysis:
string_replace1 The string expression to be searched. string_replace1 can be character data or
binary data
string_replace2 The string expression to be searched. string_replace2 can be character data or
binary data.
string_replace3 The string expression used for replacement. string_replace3 can be character data or
binary data.

2. The role of replace()

Replace all occurrences of string_replace2 in string_replace1 with string_replace3.

Three. Examples

1. String type parameters:

SELECT REPLACE(‘abcdefg bcd’,‘bcd’,‘xxx’)
结果：
axxxefg xxx

2. Binary type parameters:

SELECT REPLACE(100111001101,111,000)
result:
1000001101