Home > Link, Microsoft SQL Server, MSBI, Optimization, Query, Script, SQL Mentalist, SQL PraRup, SQL Query, SQL Server, Technology,, TSQL, Vishal Pawar > BI SQL # 213 : SQL Server DBA Scripts : Reads and Writes in Database

BI SQL # 213 : SQL Server DBA Scripts : Reads and Writes in Database

Hi Folks,

In this article we are going to cover Reads and Writes in Database.

In this post we are going to discuss following points:

  • Problem Statement of SQL Script:
  • Description of SQL Script:
  • SQL Script Output Column
  • SQL Script Code
  • SQL Script Output Screenshot
  • User Level to execute

Problem Statement of SQL Script:

How to Search Reads and Writes in Database?

Description of SQL Script:

This script will Search Reads and Writes in Database.

SQL Script Output Column

image

SQL Script Code

DECLARE @DBname SYSNAME = NULL 
    --If NULL gives all DB information --'tempdb'
    ,@DBid SMALLINT

-- get database id from database name 
SELECT @DBid = database_id
FROM sys.databases
WHERE NAME = @DBname

-- if dbid is null gives information for all db
SELECT (
        SELECT NAME
        FROM sys.databases d
        WHERE a.database_id = d.database_id
        ) AS DBName
    ,num_of_reads
    ,num_of_bytes_read
    ,num_of_writes
    ,num_of_bytes_written
    ,(size_on_disk_bytes / 1024) / 1024 SizeinMB 
    --Number of bytes used on the disk for this file
FROM sys.dm_io_virtual_file_stats(@DBid, 1) a

SQL Script Output Screenshot

image

User Level to execute

    300

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