In MariaDB, JSON_VALID() is a built-in function that allows you to check whether or not a value is a valid JSON document.
You pass the value as an argument, and JSON_VALID() returns 1 if it’s a valid JSON document, and 0 if not.
Category: DBMS
Database Management Systems
ACOS() Function in Oracle
In Oracle, the ACOS() function returns the arccosine (inverse cosine) of its argument.
In other words, it returns the value whose cosine is the argument.
Continue readingABS() Function in Oracle
In Oracle, the ABS() function returns the absolute value of its argument.
The absolute value is the non-negative value of a real number without regard to its sign. It describes the distance from zero that a number is on the number line, without considering direction.
Continue readingMariaDB JSON_UNQUOTE() Explained
In MariaDB, JSON_UNQUOTE() is a built-in function that removes quotes from a JSON value. In other words, it “unquotes” a JSON value.
MariaDB JSON_TYPE() Explained
In MariaDB, JSON_TYPE() is a built-in function that returns the type of a JSON value, as a string.
7 Ways to Check your Oracle Version
Here are seven ways to check which version of Oracle Database you’re running.
Continue readingMariaDB JSON_SEARCH() Explained
In MariaDB, JSON_SEARCH() is a built-in function that allows you to get the path to a given value in a JSON document.
It accepts the JSON document and a string as arguments, and returns the path to the given string within the document.
Continue readingMariaDB JSON_REMOVE() Explained
In MariaDB, JSON_REMOVE() is a built-in function that removes data from a JSON document and returns the result.
How to Install Oracle on a Mac
Here’s a quick and easy way to install Oracle Database on a Mac.
First up, Oracle isn’t available natively on the Mac. But don’t let that stop you!
If you’re a developer, and you just want to have Oracle Database running on your local machine, there are ways to do it. In fact, Oracle provides us with a virtual appliance precisely for that purpose.
Continue readingHow to Install SQL Developer on a Mac
SQL Developer is a GUI tool for working with Oracle Database. It’s available on many major operating systems, including Window, Linux, and of course, MacOS.
Here’s a quick rundown on the steps I took to install SQL Developer on a Mac.
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