JSON_MERGE() - Synonym for JSON_MERGE

JSON_MERGE() - Synonym for JSON_MERGE_PRESERVE()

Q

What's the difference between JSON_MERGE() and JSON_MERGE_PRESERVE() functions?

✍: FYIcenter.com

A

JSON_MERGE(json1, json2, ...) is a synonym for the JSON_MERGE_PRESERVE(json1, json2, ...) function.

Note that JSON_MERGE() was:

  Introduced before MySQL 5.7.
  Deprecated in MySQL 8.0.

Related MySQL functions:

JSON_MERGE_PRESERVE() - Merging JSON with All Members

⇒ JSON_MERGE_PATCH() - Merging JSON by Replacing Members

⇐ JSON_LENGTH() - Calculating Length of JSON Value

⇑ MySQL Functions on JSON Values

⇑⇑ MySQL Function References

2023-12-13, 989🔥, 0💬

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JSON_SET() - Inserting/updating JSON Child Members
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JSON_TYPE() - Detecting Type of JSON Value
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JSON_QUOTE() - Quoting JSON String
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IS_UUID() - Validating UUID String Format
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JSON_PRETTY() - Validating JSON Value
How to encode a JSON (JavaScript Object Notation) value into a pretty-printing string using the JSON_PRETTY() function? JSON_PRETTY(json) is a MySQL built-in function that encodes a JSON (JavaScript Object Notation) value into a pretty-printing string. For example: SELECT JSON_PRETTY('["a",1,{"key1"... 2023-12-10, 1463🔥, 0💬

VARIANCE() - Synonym for VAR_POP()
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UUID() - Generating UUID String
How to generate a UUID (Universal Unique IDentifier) string using the UUID() function? UUID() is a MySQL built-in function that returns a UUID (Universal Unique IDentifier) string. For example: SELECT UUID(), UUID(); -- +----------------------------- ---------+-------------------- ------------------+... 2023-12-08, 1292🔥, 0💬

VAR_SAMP() - Sample Standard Variance
How to calculate the sample standard variance of a field expression in result set groups using the VAR_SAMP() function? VAR_SAMP(expr) is a MySQL built-in aggregate function that calculates the sample standard variance of a field expression in result set groups. For example: SELECT help_category_id,... 2023-12-01, 1268🔥, 0💬

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