VALIDATE_CONVERSION determines whether `expr` can be converted to the specified data type.
The SELECT INTO Clause
The SELECT INTO is actually a standard SQL query where the SELECT INTO clause is used to place the returned data into predefined...
Count(*) is unsafe
In PLSQL method with count(*) is unsafe.
Set Define OFF
The `SET DEFINE` command changes the prefix character used to mark substitution variables.
PL/SQL - Implicit Cursors
Oracle creates a memory area, known as the context area for processing an SQL statements, which contain all the...
Oracle Database XE Installation on Windows
For testing and learning Oracle Database we can start with Oracle Database Express Edition (XE)...