... 10-18
Dropping a Constraint 10-19
xiv
Introduction to Oracle9 i: SQL
Student Guide • Volume 1
40049GC10
Production 1.0
June 2001
D33051
Introduction to Oracle9 i: SQL 3-9
Case Manipulation Functions
LOWER, ... employees’ last names.
Introduction to Oracle9 i: SQL 3-61
Practice 3, Part 2
6. For each employee, display the employee’ s last name, and calculate the number o...
... what the participants have learnt in the
SQL class.
Additional Example
In the following example, a PL /SQL block updates the CUSTOMER table. The credit limit
of customer having customer ID ... PL /SQL type behaves the same way as the date database type. The
DATE type is used to store both date and time. A DATE variable is 7 bytes in PL /SQL.
Valid dates range from January 1, 4712 BC...