if ("ACC".equals(CONFIG.DBCONN2) ) {
sql.append("IIF(STATE ='0','未读',IIF(STATE ='1','已读',STATE)) AS STATEMENT ");
} else if ("ORA".equals(CONFIG.DBCONN2)) {
sql.append("DECODE(STATE ,'0','未读',DECODE(STATE ,'1','已读',STATE)) AS STATEMENT ");
} else if("SQL".equals(CONFIG.DBCONN2)){
sql.append("(CASE WHEN STATE ='0' THEN '未读' WHEN STATE ='1' THEN '已读' END) AS STATEMENT ");
}
if ("ACC".equals(CONFIG.DBCONN2) ) {
sql.append("', MODIFYDATE=datevalue(now) +timevalue(now) ");
} else if ("ORA".equals(CONFIG.DBCONN2)) {
sql.append("', MODIFYDATE=sysdate ");
} else if("SQL".equals(CONFIG.DBCONN2)){
sql.append("', MODIFYDATE=getdate() ");
}
if ("ACC".equals(CONFIG.DBCONN2) ) {
sql = "DELETE FROM " + tablename + "where datediff('d',now,"
+ dateField + ")>90";
} else if ("ORA".equals(CONFIG.DBCONN2)) {
sql = "DELETE FROM " + tablename + "where to_date("+ dateField + ",'YYYY-MM-DD HH24:MI:SS') >sysdate - 90";
} else if("SQL".equals(CONFIG.DBCONN2)){
sql = "DELETE FROM " + tablename + "where datediff('d',"+ dateField + ",getdate())>90";
}
检索数据库中所有表的个数：
SQL server ：select name from sysobjects where xType = 'U'
ORACLE: select * from user_all_tables