摘要:
1.substr和substrb [oracle@lenovo sqlload]$ more tb_test01.ctl Load DATA LENGTH SEMANTICS CHARACTER INFILE '/tmp/mytest.txt' truncate into table tb_test 阅读全文
摘要:
1.查看当前库下的所有表 select name from dbo.sysobjects where xtype='U' 2.查看当前表占用空间大小 SELECT db_name() as DbName, t.NAME AS TableName, s.Name AS SchemaName, p.ro 阅读全文
摘要:
[root@localhost ~]# nkvers ############## Kylin Linux Version ################# Release: Kylin Linux Advanced Server release V10 (Lance) Kernel: 4.19. 阅读全文