SELECT a.name, b.rowsFROM sys.sysobjects AS a INNER JOIN sys.sysindexes AS b ON a.id b.idWHERE b.indid IN , AND a.type u ORDER BY b.rows DESC ...
2020-01-07 13:57 0 3089 推薦指數:
https://blog.csdn.net/sunstar8921/article/details/87888958 ...
>use information_schema; >select sum(table_rows) from tables where TABLE_SCHEMA = "test" or ...
1. 查詢elisun庫下所有表各自的行數和占用磁盤大小 SELECT TABLE_NAME,TABLE_ROWS,(DATA_LENGTH+INDEX_LENGTH)/1024/1024 AS TOTAL_MB FROM information_schema.TABLES WHERE ...
1.獲取所有數據庫名 --SELECT Name FROM Master..SysDatabases ORDER BY Name -- 2.獲取所有表名: --SELECT Name NAMEtemp,* FROM TEST..SysObjects Where XType='U' ORDER ...
今天給大家送上兩個SQL查詢的方法,也許在項目中你都用過,但是,沒關系,僅僅記錄下,以便后面不用去查找。針對與經常寫SQL的同行來說,應該是非常簡單的。 查詢表結構數據 SELECT t.COLUMN_NAME AS fieldName, ( CASE WHEN ...
表准備: 在網站 https://www.bejson.com/runcode/sql/ 或者 https://www.liaoxuefeng.com/wiki/1177760294764384/1179611432985088 執行下列sql創建表 CREATE TABLE jobs ...
~ 1.創建數據庫表及插入數據 2.子查詢統計不同性質的學生總數 3.一行數據轉換成兩列數據 un ...