摘要:
一,操作命令 01,启动gpstart 参数说明 COMMAND NAME: gpstart Starts a Greenplum Database system. ***************************************************** SYNOPSIS **** 阅读全文
摘要:
例子: Select tstart, tfinish, (tfinish-tstart) as total_time, trim(query_text) from queries_history Where tstart >= '2011-07-07 11:00:00' and tstart < ' 阅读全文