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what is meant by trigger?
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Answer / mrniceksa
A trigger is a special kind of stored procedure that goes
into effect when you modify data in a specified table using
one or more data modification operations: UPDATE, INSERT,
or DELETE. Triggers can query other tables and can include
complex SQL statements. They are primarily useful for
enforcing complex business rules or requirements. For
example, you could control whether to allow an order to be
inserted based on a customer's current account status.
| Is This Answer Correct ? | 46 Yes | 7 No |
Answer / bgg
trigger is something which is executed when some specified
event occurs.
two main specifications are-
1.when the trigger should be executed(event)
2.what action must be taken when this event occurs
| Is This Answer Correct ? | 15 Yes | 5 No |
Answer / sagaya maria virgin
a trigger is a statement that system execute automatically
as a side effect of a modification of database.
| Is This Answer Correct ? | 9 Yes | 3 No |
Answer / dinesh kumar
Trigger can be defined as a action that is performed on
data when event occur. Here action can modify data from
database, insert data into database etc.
| Is This Answer Correct ? | 9 Yes | 5 No |
Answer / srikanth
A trigger is a special kind of stored procedure that goes
into effect when you modify data in a specified table using
one or more data modification operations: UPDATE, INSERT,
or DELETE.
| Is This Answer Correct ? | 5 Yes | 2 No |
Answer / a.palanisamy
A trigger is a special kind of stored procedure that goes
into effect when you modify data in a specified table using
one or more data modification operations: UPDATE, INSERT,
or DELETE. in future use u can get old data from specified table
| Is This Answer Correct ? | 0 Yes | 1 No |
class A{ void me(){s.o.p("");} class B extends A{ void me() {s.o.p(" ");} class M{ A a=new B(); B b=new A(); a.me(); b.mne();} what is the output of this, how?
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SELECT A~FTRMI A~AUFNR B~MATNR D~MAKTX B~PSMNG B~WEMNG C~MTART E~CHARG C~MATKL C~SPART R~BWART R~CHARG R~MATNR E~BWART R~BDMNG INTO TABLE ITAB FROM AFKO AS A INNER JOIN AFPO AS B ON A~AUFNR = B~AUFNR * INNER JOIN AFVC AS A1 ON A~AUFPL = A1~AUFPL AND B~DWERK = A1~WERKS INNER JOIN MARA AS C ON B~MATNR = C~MATNR INNER JOIN MAKT AS D ON C~MATNR = D~MATNR INNER JOIN MSEG AS E ON B~MATNR = E~MATNR AND A~AUFNR = E~AUFNR AND B~DWERK = E~WERKS INNER JOIN RESB AS R ON A~AUFNR = R~AUFNR AND E~AUFNR = R~AUFNR AND R~RSNUM = A~RSNUM AND R~WERKS = E~WERKS AND R~BAUGR = E~MATNR INNER JOIN MARA AS C1 ON R~MATNR = C1~MATNR WHERE A~FTRMI IN S_DATE AND A~AUFNR IN S_AUFNR AND C~MTART IN S_TYPE AND C~MATKL = 'T' AND R~BWART ='261' AND E~BWART = '101' AND R~XWAOK ='X' AND B~DWERK = '2000' AND R~XLOEK EQ SPACE AND E~KZBEW ='F' AND D~SPRAS = 'E' AND R~KZEAR = 'X' AND C~MATNR IN S_MATNR. This query gives repetative records from RESB.There must be some common field which i am not taking thats why its giving repetative records. If u find any solution pls lety me know ASAP. Thanks Swati Ghadge
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