Apr 11, 2006
Given an ID (column B), I need to find which IDs have identical data.That is, given '200', I want the desired result to be:100The idea is that the system sees that id=200 has 5 records with theindicated data in cols C and D.It should then find any other ids with the exact same data for thosecolumns.Note, in this case, both 200 and 100 have (30:1, 30:2, 30:3, 40:4,40:5) so they match. 300 and 400 should NOT be returned.Any bright ideas out there? Thanks!DECLARE @a TABLE(A int, B int, C int, D int)DECLARE @b TABLE(A int, B int, C int, D int)INSERT INTO @a (A, B, C, D) VALUES (1, 100, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (2, 100, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (3, 100, 30, 3)INSERT INTO @a (A, B, C, D) VALUES (4, 100, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (5, 100, 40, 5)INSERT INTO @a (A, B, C, D) VALUES (6, 200, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (7, 200, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (8, 200, 30, 3)INSERT INTO @a (A, B, C, D) VALUES (9, 200, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (10, 200, 40, 5)INSERT INTO @a (A, B, C, D) VALUES (11, 300, 30, 1)INSERT INTO @a (A, B, C, D) VALUES (12, 300, 30, 2)INSERT INTO @a (A, B, C, D) VALUES (13, 300, 40, 3)INSERT INTO @a (A, B, C, D) VALUES (14, 400, 40, 4)INSERT INTO @a (A, B, C, D) VALUES (15, 400, 40, 5)SELECT * FROM @a
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May 4, 2006
Hello,I need to find students that have 4 consecutive absences. When astudent is absent 4 times in a row, they can be dropped from the class.My class attendance file contains each attendance by date and whetherthey were present or not. When the student has 4 consecutive value 1(absent) for a given session and a given class the are considered to bedropped.If I needed to know the total number of absences, I know I could groupand summarize, but this one has the consecutive twist.Table:CREATE TABLE "dbo"."clsatt"("FULL_CLASS_ID" CHAR(15) NOT NULL,"STUDENT_ID" CHAR(20) NULL,"SESSION_ID" CHAR(10) NULL,"MEETING" SMALLINT NOT NULL,"PRESENT" CHAR(2) NOT NULL);Present value of 1 is absent, value of 2 is present (3 means holiday)Classes typically meet 12 times.I would want something likeFULL_CLASS_ID, STUDENT_ID, SESSION_ID, 'Dropped'as the output.Notice in the example the first student was absent the last 4 meetingsThe second student 5 absensesand the third student was totally absentIn these three examples, they are flagged as dropped.TIARobInserts:---------------------------------------------------------------------------------insert into clsatt values ('BUS100','1675812194','200203',1,'2')insert into clsatt values ('BUS100','1675812194','200203',2,'2')insert into clsatt values ('BUS100','1675812194','200203',3,'2')insert into clsatt values ('BUS100','1675812194','200203',4,'2')insert into clsatt values ('BUS100','1675812194','200203',5,'2')insert into clsatt values ('BUS100','1675812194','200203',6,'2')insert into clsatt values ('BUS100','1675812194','200203',7,'2')insert into clsatt values ('BUS100','1675812194','200203',8,'2')insert into clsatt values ('BUS100','1675812194','200203',9,'1')insert into clsatt values ('BUS100','1675812194','200203',10,'1')insert into clsatt values ('BUS100','1675812194','200203',11,'1')insert into clsatt values ('BUS100','1675812194','200203',12,'1')insert into clsatt values ('BUS100','1712400537','200203',1,'2')insert into clsatt values ('BUS100','1712400537','200203',2,'2')insert into clsatt values ('BUS100','1712400537','200203',3,'2')insert into clsatt values ('BUS100','1712400537','200203',4,'2')insert into clsatt values ('BUS100','1712400537','200203',5,'2')insert into clsatt values ('BUS100','1712400537','200203',6,'2')insert into clsatt values ('BUS100','1712400537','200203',7,'2')insert into clsatt values ('BUS100','1712400537','200203',8,'1')insert into clsatt values ('BUS100','1712400537','200203',9,'1')insert into clsatt values ('BUS100','1712400537','200203',10,'1')insert into clsatt values ('BUS100','1712400537','200203',11,'1')insert into clsatt values ('BUS100','1712400537','200203',12,'1')insert into clsatt values ('BUS100','1801704805','200203',1,'1')insert into clsatt values ('BUS100','1801704805','200203',2,'1')insert into clsatt values ('BUS100','1801704805','200203',3,'1')insert into clsatt values ('BUS100','1801704805','200203',4,'1')insert into clsatt values ('BUS100','1801704805','200203',5,'1')insert into clsatt values ('BUS100','1801704805','200203',6,'1')insert into clsatt values ('BUS100','1801704805','200203',7,'1')insert into clsatt values ('BUS100','1801704805','200203',8,'1')insert into clsatt values ('BUS100','1801704805','200203',9,'1')insert into clsatt values ('BUS100','1801704805','200203',10,'1')insert into clsatt values ('BUS100','1801704805','200203',11,'1')insert into clsatt values ('BUS100','1801704805','200203',12,'1')insert into clsatt values ('BUS100','1922287588','200203',1,'1')insert into clsatt values ('BUS100','1922287588','200203',2,'1')insert into clsatt values ('BUS100','1922287588','200203',3,'2')insert into clsatt values ('BUS100','1922287588','200203',4,'2')insert into clsatt values ('BUS100','1922287588','200203',5,'2')insert into clsatt values ('BUS100','1922287588','200203',6,'2')insert into clsatt values ('BUS100','1922287588','200203',7,'2')insert into clsatt values ('BUS100','1922287588','200203',8,'2')insert into clsatt values ('BUS100','1922287588','200203',9,'2')insert into clsatt values ('BUS100','1922287588','200203',10,'2')insert into clsatt values ('BUS100','1922287588','200203',11,'1')insert into clsatt values ('BUS100','1922287588','200203',12,'2')insert into clsatt values ('BUS100','2188469657','200203',1,'1')insert into clsatt values ('BUS100','2188469657','200203',2,'1')insert into clsatt values ('BUS100','2188469657','200203',3,'2')insert into clsatt values ('BUS100','2188469657','200203',4,'2')insert into clsatt values ('BUS100','2188469657','200203',5,'2')insert into clsatt values ('BUS100','2188469657','200203',6,'2')insert into clsatt values ('BUS100','2188469657','200203',7,'2')insert into clsatt values ('BUS100','2188469657','200203',8,'2')insert into clsatt values ('BUS100','2188469657','200203',9,'1')insert into clsatt values ('BUS100','2188469657','200203',10,'1')insert into clsatt values ('BUS100','2188469657','200203',11,'1')insert into clsatt values ('BUS100','2188469657','200203',12,'2')insert into clsatt values ('BUS100','2515197431','200203',1,'1')insert into clsatt values ('BUS100','2515197431','200203',2,'1')insert into clsatt values ('BUS100','2515197431','200203',3,'2')insert into clsatt values ('BUS100','2515197431','200203',4,'2')insert into clsatt values ('BUS100','2515197431','200203',5,'1')insert into clsatt values ('BUS100','2515197431','200203',6,'2')insert into clsatt values ('BUS100','2515197431','200203',7,'2')insert into clsatt values ('BUS100','2515197431','200203',8,'1')insert into clsatt values ('BUS100','2515197431','200203',9,'2')insert into clsatt values ('BUS100','2515197431','200203',10,'2')insert into clsatt values ('BUS100','2515197431','200203',11,'1')insert into clsatt values ('BUS100','2515197431','200203',12,'2')
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