sqlserver查询数据库中有多少个表 sql server 数表:select count(1) from sysobjects where xtype='U'数视图:select count(1) from sysobjects where xtype='V'数存储过程select count(1) from sysobjects where xtype='P' SE
–Sqlserver 查询数据库 大小 SELECT * FROM (SELECT DB_NAME(database_id) AS DatabaseName,type_desc AS FileType,name AS FileName,size * 8 / 1024/1024 AS FileSizeGBFROM sys.master_filesWHERE type = 0 -- 数据文件AND
select * from v$locked_object; select b.owner,b.object_name,a.session_id,a.locked_mode from v$locked_object a,dba_objects b where b.object_id = a.object_id; SELECT * FROM dba_objects A;
淘二哥女装专业导购 http://www.tao2ge.com 业精于勤 查询数据库时经常碰到null值咋办? 造成的原因是数据不完整.. 如何判断它的存在呢? select * from USERS where phone_nums is null select * from USERS where phone_nums is not null 这样,
SELECT 表名=case when a.colorder=1 then d.name else '' end, 字段序号=a.colorder, 字段名=a.name, 标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end, 主键=case when exists(SELECT 1 FROM
文章目录 错误信息解决方案 错误信息 sql: Scan error on column index 1, name "created_at": unsupported Scan, storing driver.Value type []uint8 into type *time.Time 解决方案 在连接数据库的末尾加上parseTime=true,如下: Db, er
SELECT TABLE_SCHEMA,TABLE_NAME,CREATE_TIME FROM information_schema.`TABLES` where TABLE_SCHEMA='defectdatabase' AND DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(CREATE_TIME) ORDER BY CREATE_Time DESC