 Related Questions Latest Answer : Primary Key & Unique Key1.))) P_key - A column in a table whose values uniquely identify the rows/tuple/entry of the table. A primary key value cannot be NULL. U_key - A column in a table whose values uniquely identify the rows/tuple/entry of the ... Latest Answer : ther is Physical structure & Logical structurePhysical structure Consits of 3 files one or more data files two ... Latest Answer : null in c is some garbage value which cannot be predicted . If you are not intialising any value to the variable then null value is present in auto variables.null in oracle is used in sql queries for getting values whose values are null such as manger ... Latest Answer : What's the Difference between COM and DCOM?Obviously, the difference is that DCOM is distributed but COM is not. To be more precise, there are three main elements added to COM: The way for creating a remote object. The way for accessing a remote object. ... Read Answers (1) | Asked by : satish Latest Answer : SGA: System Global Area. Its a chuck of memory used on oracle processes. ... Read Answers (23) | Asked by : Rahul Latest Answer : In case of varchar it store upto 2000 bytes and in case of varchar2 it stores 4000 bytes that is the basic difference between varchar and varchar2. ... Read Answers (21) | Asked by : Srinu Latest Answer : replace function replaces a sequence of characters in a string with another set of characters.ex. Â select replace('123data',123,'X') from dual;REPLA-----Xdatahere 123 replaces by Xtranslate function replaces a sequence of characters in a string with ... Read Answers (9) | Asked by : Srinu Latest Answer : Oracle is not truly a multidimensional database as Hyperion does.. ... Read Answers (3) | Asked by : Srinu Latest Answer : rownum is the temp num assigned for the return rows per statement queryIt will change as per the query statement.
It can be used with "=1" or "< 10" id number .Where as rowid is the id assigned by the
Oracle while creating record in database. It ... Read Answers (6) | Asked by : senthil I want to try create the database from my script which i made.can help me how to run a script. can explain me step by step because i am a starter.thank's
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