The tag) for numerical data at the presentation layer and for a valid range of numbers at the business layer.Java Beans Validation (Bean Validation) is a new validation model available as part of Java EE 6 platform.There are many posts out there about validating backup.However, none seem to address some recent concerns a client of mine had. Unfortunately, even after carefully trying to interpret the documentation (I used the one for 11g R2) I cannot find the actual results being described there.If you are interested -- my book has lots of details on using these tools to tune with.February 23, 2002 - pm UTC 1) you dont HAVE to use to_date -- I am strongly ENCOURAGING you to use to_date to avoid ambiguities (compare strings to strings, numbers to numbers, dates to dates -- don't RISK confusion comparing strings to numbers, dates to strings). Now as for: "SQL book says that between should find dates min Tom: if you are designing a screen and prompting the user to enter dates how would you prompot them to enter format: DD-MON-YY or DD-MON-YYYY or DD/MM/YYYY or MM/DD/YYYY or DD/MM/YY or MM/DD/YY I am sure user does not like to enter YYYY for year. Can you take the user format and re-format it and store it in oracle's format February 24, 2002 - am UTC The above things are STRINGS, they are not dates. Maybe in your application, if someone enters 01-jan-30 01-jan-99 it is clear what that means.Be aware that the 'dd/mm/yyyy' in the code examples above is non-typical, if what you are going for is US date formatting.
Mostly the regular earnings are configured in a way that the entries are made by design.There is a feature in Oracle payroll, with which one can directly fill in element entries for a number of assignments / elements with one single interface.It also helps in validating the data being entered.An empty string is a string instance of zero length, whereas a null string has no value at all.An empty string is represented as are initialized with the value of the empty string by the Java Server Faces implementation.