Oracle NVL function
- 13 November 2022
- Database Performance ManagementTechnology Business
Oracle/PLSQL NVL function allows you to replace the value when there is a Null value….
It does matter what the column order is in PostgreSQL.
Recently, I came across some really broad tables with hundreds of columns in a database that was not particularly well organized. Our PostgreSQL suppo…
Oracle SQLCODE function
- 12 November 2022
- Database Performance ManagementMachine learning
The SQLCODE function returns the error number associated with an exceptional situation. This function can only be used in the exception handling secti…
Oracle NVL2 function
Oracle/PLSQL NVL2 function extends the functionality of the NVL function. It replaces the value when a Null value is encountered and also when a non-N…
POSTGRESQL V14’S BETTER SQL FUNCTIONS
- 9 November 2022
- Database Performance ManagementTechnology Business
Let’s create a simple example of an SQL function with the “classical” syntax so that we have some material for demonstrations:
CREATE EXTENSION unacc…
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