 Related Questions A view is stored procedure based on one or more tables, it’s a virtual table. Latest Answer : View
View is logical table based on one are more table join and named as viewname
View is not stored in database View is used to perform complex query, View Object,
View support, LOB, varray, Nested Tables Should have CREATE ... HAVING clause is used when you want to specify a condition for a group function and it is written after GROUP BY clause. The WHERE clause is used when you want to specify a condition for columns, single Latest Answer : when query is based on condition we use where clause & there is no any aggregate functionwhen query is base on contion & aggregate function has to be use then we can usehaving clause. ... Oracle does not allow a user to specifically locate tables, since that is a part of the function of the RDBMS. However, for the purpose of increasing performance, oracle allows a developer to create a Latest Answer : Clustering is a method of storing tables that are intimately related and often joined together into the same area on disk. For example, instead of the BOOKSHELF table being in one section of the disk and the BOOKSHELF_AUTHOR table being somewhere else, ... OPEN cursor variable FOR SELECT...StatementCLOSE cursor variable In order to associate a cursor variable with a particular SELECT statement OPEN syntax is used. In order to free the resources used for Latest Answer : • The OPEN-FOR statement associates a cursor variable with a multirow query, executes the query, identifies the result set, and positions the cursor to point to the first row of the result set.• The FETCH statement returns a row from the result ... In PL/SQL 2.2 cursor variables cannot be declared in a package.This is because the storage for a cursor variable has to be allocated using Pro*C or OCI with version 2.2, the only means of passing a cursor Functions are named PL/SQL blocks that return a value and can be called with arguments procedure a named block that can be called with parameter. A procedure all is a PL/SQL statement by itself, while Latest Answer : Procedure:Parameters IN, OUT and IN OUT and can return n number of values via sys cursor.Function:Only IN parameter and must return a value by using RETURN.Can be used in where clause of the Query but performance issue will raise. ... The variables declared in the procedure and which are passed, as arguments are called actual, the parameters in the procedure declaration. Actual parameters contain the values that are passed to a procedure Latest Answer : Formal Parameter: A variable declared in the parameter list of a subprogram specificationExample: create or replace procedure/function x (p_id number, p_sal number)Actual Parameter: A variable or expression refrenced in the parameter list of a subprogram ... No. A function has to return a value,an OUT parameter cannot return a value. Latest Answer : Yes ,function can return a value but it is not a good programming practice ... Drop Procedure procedure_nameDrop Function function_name Latest Answer : absolutely it will work ... 1,000,00 Latest Answer : Up to Oracle 10g the buffersize os an integer between 2,000 and 1,000,000; From Oracle 10g Release 2 the buffersize is unlimited ...
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