inner join,outerjoin,trigger,stored procedure explain with
code snippets?
Answer / vj
Join:It is the combining of two rows from different tables
based on the comparative values in selected columns.
Types of Join : Cross Join, Inner Join or equi join and
Outer Join which comprises of Left join and Right join.
Inner Join : It is used to select certain fields from both
tables and only correct rows will be joined together.
Sytax:SELECT <column_name> FROM <Table1>, <Table2> WHERE
(Table1.column = Table2.column)
Outer Join:
Left join: It returns all the data's from the table
present in left of the join and only those data's from the
right tabel which matches the condition.
Syntax:SELECT <column_name> FROM <Table1> LEFT JOIN
<Table2> ON Table1.column = Table2.column (Conditions like
WHERE and USING)
Right join: It returns all the data's from the table
present in right of the join and only those data's from the
left tabel which matches the condition.
Syntax:SELECT <column_name> FROM <Table1> LEFT JOIN
<Table2> ON Table1.column = Table2.column (Conditions like
WHERE and USING)
| Is This Answer Correct ? | 17 Yes | 2 No |
Can we run Applet in Web browser with security policy files
write a program in java to solve a system of n-variabled simultaneous equations using the guassian elimination method. let the maximum possible value of n be 100. run the program using hypothetical values for a set of 10- variables simultaneous equations. print out the program, the input equation and the results generated by the program.
For printing a message we use System.out.println in normal programs. We use String msg="text....."; Can't we use String msg=" " in normal programs and System.out.println("........") in applets. Please answer this question?
what is runtime class?
In java, why do we set thread priority, when we know that there is no guarantee by which a thread should be execute?
A game that has five levels of play has the score for each level stored in an array. You are to write a program that goes through that array and finds: a) the minimum score, and the level at which it occurred b) the maximum score, and the level at which it occurred c)the average score for all five levels The score data you must use for this program are as follows: Game Level Score 1 450 2 316 3 148 Stack implementations is mandatory.
How to create Date method to set the date in Ms Access
how to create a (*)pyramid using java codes???
Is it possible to define marker interface in java.If possible then how to define user defined marker interface?
Write a java program to display multiplication table in a Frame.
what are the other loops except for for,while,do while and until?
Program to print map of India in java.