use test;
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");
UPDATE matable1 SET nid=nid+1 ORDER BY nid DESC;
INSERT INTO matable1 VALUES(1,"XYZ1","ABC1");