摘要:
//js对象打印函数 function writeObj(obj) { var description = ""; for (var i in obj) { var property = obj[i]; description += i + " = " + property + "\n"; } alert(description);... 阅读全文
摘要:
反向索引案例:CREATE TABLE my_tab(x VARCHAR2(20)); INSERT INTO my_tab VALUES('abcde'); COMMIT; CREATE INDEX my_tab_idx ON my_tab(REVERSE(x)); SELECT * FROM my_tab t WHERE REVERSE(t.x) LIKE REVERSE('%cde')... 阅读全文