Dave Costa questions

Dave Costa answers

• Oracle, calling PL/SQL issues from within SQL-Plus file x.sql says my_function "may not be a function"
• In PL/SQL, can I pass the table schema of a cursor FROM clause via a stored procedure parameter?
• psutil.Process and lsof command discrepancy
• Does Oracle (RDB in general?) take a snapshot of the table affected by DML?
• Is my lecturers definition of the Liskov Substitution Principle incorrect, or am I misunderstanding?
• What's happening to values in list?
• Extracting BLOB files from Oracle table with UTL_FILE en masse, some compressed some not
• How to add cascade delete in oracle when the foreign key is on the same table
• SQLPLUS output to shell script not returning value
• Is there any reason to FK a PK column to itself