Technology Questions

Oracle constraints are used to maintain consistent of data and ensure the data is properly maintained. A constraint is more or less a restriction we try to apply on a table.
Types of constraints:
- Check constraints
- NOT NULL constraint
- PRIMARY KEY constraint
- REFERENCES constraint
- UNIQUE constraint

Dashboards are real-time business intelligence interfaces. They allow a huge amount of data to be read in a single interface in order to analyse the success or failure of the business or project in question

Method contains name, parameters, return type and executable body. But block does not contains name, parameters, return type.It contains only executable body.

Methods are executed by method call statements. Blocks are executed automatically with class loading and with object creation.

The System.Collections namespace contains all the collection classes.

DeCLarations GENerator : used to create the host language copy books for the table    definitions. Also creates the DECLARE table.

Use document.forms[0].submit();

(0 refers to the index of the form – if you have more than one form in a page, then the first one has the index 0, second has index 1 and so on).

The following commands are available for the Program Control services:

LINK: To pass control to another program at the lower level, expecting to be returned. XCTL: To pass control to another program at the same level, not expecting to be returned.

RETURN:  To return to the next higher-level program or CICS. 

LOAD: To load a program. 

RELEASE: To release a program.