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INSERT INTO command:
Example:Insert the employee numbers, an increment amount of Rs.500/- and the increment date-today (which is being entered through function SYSDATE) of all the managers into a table INCR (increment due table) from the employee file.
INSERT INTO INCR SELECT EMPNO, 500, SYSDATE FROM EMP WHERE JOB = 'MANAGER';
Example: Insert values in a table using parameter substitution (& operator is used for it 1, 2 are the field numbers).
INSERT INTO EMP #VALUES (&1,'&2','&3', &4, &5, &6,NULL, &7);
Please note these values required to be supplied at run time.
UPDATE Command: Syntax is UPDATE = WHERE ;
discuss the array implementation of a stack.
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
how to operate database in access ?
What is catalog in DBMS? Catalog - A relational DBMS maintains information about every table and index in which it contains. A catalog is a collection of special tables that st
non numeric literals
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