how to automate sql script execution

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SQL Execution Plan

or simulate the experiment below on SQL Server. Start To explain "Table scan", "index scan", "index seek", "clustered index scan", and "clustered index seek" in "display Execution Plan", create a new table first, and add some sample data. The script for creating a new table is as follows: Create Table performanceissue(PRID uniqueidentifier not null,Pr

Optimize the execution cache for memory usage of SQL Server

First, describe the memory used by SQL Server. The memory occupied by SQL Server is mainly composed of three parts: Data Buffer, Procedure Cache, and SQL Server engine program. The cache occupied by SQL Server engine programs is generally relatively small, so the main focus of memory optimization is data cache and

sql2005 restore an extra-long SQL script to restore a large script file

Tags: style blog http ar color OS using SP filesOriginal: sql2005 restore extra-long SQL scripts, restore oversized script filesFrom the outside of the database with export scripts exported to the way, 280M look, the guide is exported, but in the native execution of SQL script

Optimize the execution cache for memory usage of SQL Server

First, describe the memory used by SQL Server. The memory occupied by SQL Server is mainly composed of three parts: Data Buffer, Procedure Cache, and SQL Server engine program. The cache occupied by SQL Server engine programs is generally relatively small, so the main focus of memory optimization is data cache and

SQL Server automatically generates batches of batch execution SQL scripts

Scene: The DBA gave me the creation scripts for all the storage, functions, and so on, with thousands of files. Now you need to import these object creation scripts into another library, how do you solve them? Manual execution is obviously not realistic. So manually wrote a batch, all the files into one. SQL scripts, which are generated at the end of @. SQL s

To optimize SQL Server memory footprint execution Cache _mssql

Start by explaining which parts of SQL Server memory footprint are made up of. The memory consumed by SQL Server consists primarily of three parts: data caching (database buffer), execution caching (Procedure cache), and SQL Server engine programs. The caching of SQL Server

Another reason for SQL parameterized query-hit execution plan

execution plan View code --Delete all plansDBCCFreeproccache 2.3 Test script (create an employee table and insert 1000 pieces of data to it) View code If Exists ( Select * From SYS. Objects Where Object_id = Object_id (N ' [DBO]. [employee] ' )) Drop Table [ DBO ] . Employee Go -- Personnel table Create Table DBO. employee (ID Int , Name Nvarchar ( 50 )); -

Optimize the execution cache for memory usage of SQL Server

Then, execute the script: Declare@ TDatetime Set@ T= Getdate() Set Nocount On Declare@ IInt,@ CountInt,@ SQLNvarchar(4000) Set@ I=20000 While@ I30000 Begin Set@ SQL= 'Select @ COUNT = count (*) from p_order where else Eno =' + Cast(@ IAs Varchar(10) ) Exec Sp_executesql@ SQL,N'@ Count int output',@ CountOutput Set@ I=@ I+1 End Print D

View SQL statement execution time and test SQL statement performance

by setting Statistics we can view the system situation when executing SQL. The options are Profile,io, time. Introduced as follows:SET STATISTICS profile on: Displays the time, in milliseconds, that is required to parse, compile, and execute the query.SET STATISTICS IO on: reports information about the number of scans per table referenced in the statement, the number of logical reads (pages accessed in the cache), and the number of physical reads (the

SQL: View statement execution time--test SQL statement performance

Label:SET STATISTICS profile on: Displays the time, in milliseconds, that is required to parse, compile, and execute the query.SET STATISTICS IO on: Reports information about the number of scans per table referenced in the statement, the number of logical reads (pages accessed in the cache), and the number of physical reads (the number of times the disk was accessed).Set STATISTICS time on: Displays the result set after each query execution, represent

SQL 2000 scheduled SQL statement execution

I don't know whether stored procedures can be implemented, but SQL Server 2000 Job Scheduling does have this function. How can I make some SQL statements run regularly and perform the following operations in sequence: Enterprise Manager-- Manage -- SQL Server proxy -- Right-click a job -- Create a job -- Enter the job name in "general" -- "Step" -- New

Another reason for SQL parametric query to hit the execution plan

:-- Delete all plansDBCC FREEPROCCACHE 2.3 Test script (create an employee table and insert 1000 pieces of data to it)Copy codeThe Code is as follows:If exists (SELECT * FROM sys. objects WHERE object_id = OBJECT_ID (n' [dbo]. [Employee] ')Drop table [dbo]. EmployeeGO-- Personnel tableCreate table dbo. Employee(Id int,Name nvarchar (50));-- Insert Test DataDECLARE @ I INT = 0, @ ENDI INT = 1000;WHILE (@ I BEGINSET @ I + = 1;INSERT dbo. Employee (id, n

SQL scheduled execution of Stored Procedures

tasks-> Generate SQL scripts-> Save to an SQL file in the OS Then, run the SQL script for creating the job saved just now on the target server. (If the user who created the job or the user who reminded him does not exist, an error will occur; We need to create a WINDOWS user or SQ

SQL Server 2000 regular execution of SQL statements

If the data table you maintain depends on the data tables of other modules and supports data of other modules, and these tables are updated in real time, therefore, you cannot update a data table by calling SQL statements on the page. You can only update the data table regularly and automatically. I don't know whether stored procedures can be implemented, but SQL Server 2000 Job Scheduling does have this fu

SQL SQL Server Execution File command (sqlcmd)

Personal use sqlcmd command:SQLCMD-E-I test.sql-d databasename-s 127.0.0.1The sqlcmd command explains:Usage: Sqlcmd [-u login ID] [-p password][-s server][-H host name] [-E Trusted Connection][-D using Database name][-L login Timeout value] [-t query timeout value][-H title][-S column delimiter] [-w Screen width][-A packet size][-e echo input] [-I allow quoted identifiers][-C command end] [-L[C] list servers [clear output]][-Q "Command-line query"] [-Q ' command-line query ' and exit][-m error l

Scheduled execution of SQL stored procedures

-- Create a job. -- Create a jobExec MSDB .. sp_add_job @ job_name = 'data' -- Create a jobDeclare @ SQL varchar (800), @ dbname varchar (250)Select @ SQL = 'exec p_proc '-- stored procedure to be periodically executed, @ Dbname = db_name () -- Name of the database for processing data Exec MSDB .. sp_add_jobstep @ job_name = 'data ',@ Step_name = 'data synchronization ',@ Subsystem = 'tsql ',@ Database_n

Another reason for SQL parametric query to hit the execution plan

' , Objtype AS 'type' , St. [text] AS 'SQL text' , Plan_handle AS 'scheduler handler' FROM sys. dm_exec_cached_plans cp Cross apply sys. dm_exec_ SQL _text (plan_handle) AS st WHERE st. text not like '% sys %' 2.2 Delete an execution plan The Code is as follows: -- Delete all plans DBCC FREEPROCCACHE 2.3 Test script

Modifying the SQL Server 2005 execution Environment

Server 2005, which allows the ownership of objects to be detached and easier to manage than SQL Server 2000, which creates the database schema that we will use: CREATE SCHEMA [TableOwnerSchema] AUTHORIZATION [TableOwner]GONow I enable logins so they can be used:ALTER LOGIN [TableOwner] ENABLEALTER LOGIN [BaseUser] ENABLEGOGRANT CREATE TABLE TO TableOwnerGO First, I used the EXECUTE AS command, and I set the current

Apache Spark Source code One-on-one-SQL parsing and execution

data, with the increasing scale of data, is the original analysis techniques outdated? The answer is clearly no, the original analytical skills remain valid in the existing analytical dimension, of course, for the new data we want to dig out more interesting and valuable content, this goal can be given to data mining or machine learning to complete.So how can the original data analysts quickly switch to Big Data's platform, to re-learn a script, dire

Summary of SQL execution efficiency and performance test methods

onSET STATISTICS time onGO– Your SQL script startsSELECT [TestCase] from [Testcaseselect]– Your SQL script is overGOSET STATISTICS Profile OFFSET STATISTICS IO OFFSET STATISTICS Time OFF Alternatively, you can determine how efficient the SQL statement is by adding statement

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