Note 1: Functions are code sensitive
Note 2: When you are using functions, the string objects must be enclosed in single quotes .
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User Defined Functions
User-Defined functions are those functions which are defined by the user from DBSync platform. Functions are made for code reuse-ability and for saving time and space
Benefits of them are :
It provides modularity, so that create once and can be used across any project which gives a benefit of create once and use n number of times
Easy code reuse-ability, you just have to call the functions by its name to use it.