Oracle/PLSQL: ORA-00900 Error
ORA-00900: invalid SQL statement
Cause of Error
The statement that you've tried to execute is not a valid SQL statement.
The option(s) to resolve this Oracle error are:
This error commonly occurs when you are trying to create an Oracle procedure and the Procedural Option is not installed.
To determine if the Procedural Option has been installed, open an Oracle session using SQL*Plus. If the PL/SQL banner does not display, then you know that the Procedural Option has not been installed.
Below is what a sample PL/SQL banner looks like: