sql server – does SP_recompile performance enhancement always link to parameter sniffing?

It’s probably parameter sniffing, but the documentation for sp_recompile does note that performance can drop for other reasons as well:

The queries used by stored procedures, or triggers, and user-defined functions are optimized only when they are compiled. As indexes or other changes that affect statistics are made to the database, compiled stored procedures, triggers, and user-defined functions may lose efficiency. By recompiling stored procedures and triggers that act on a table, you can reoptimize the queries.

That is not to say that some of the above things won’t trigger an automatic recompile, however.

Depending on your version, enabling Query Store might make it easier to track regressions without having to manually capture plans.

Photo retouching and enhancement for $10

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[cXF] Thread scroll enhancement | NulledTeam UnderGround

Add some features when scrolling a thread like sticky thread title in navigation or below it (useful if scrolling long threads) or maybe add some scroll progress bar in various positions. Check below for more information.

FEATURES

  • add thread title in navigation or below it when scrolling a thread
  • optionally add a close button to remove the thread title (more information on screens below)
  • optionally add “Currently reading” (or edit the text via phrase!) in front of a…

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pathfinder 1e – Does the bane magic weapon property work like greater magic weapon or weapon enhancement for DR

The weapon property bane is a wonderful boost to a weapon on the occasions where its the right bane. One effect is that the weapon enhancement is +2 than what the weapon states, so a +1 bane (human) sword is actually a a +3 weapon against humans. But when dealing with creatures that have DR, the difference enhancement levels matter for overcoming DR, and other sources like magic weapon greater while increasing the enhancement, do not affect DR.

from magic weapon greater

This bonus does not allow a weapon to bypass damage reduction aside from magic.

Since the weapon property doesnt have the same wording as the spell, my thoughts are that it would be effective against higher DR types, but I have nothing to stand on for this.

How to permanently disable audio enhancement in windows 10?

When using Skype, the volume lowers down after a second. I found out that unchecking “audio enhancement” (see picture) solved the problem, but only for a while. When my PC enters into sleep mode or is rebooted, the issue comes back, even though the setting still appear unticked.

I have to tick it again and press “apply” and untick and “apply”, and so on, (I am not sure what I do exactly) to finally get the volume to be loud again constantly.

Is there a way to permanently get rid of this audio enhancement feature?
Thanks for your insights.

audio enhancement setting

sql – Basic schemas for database and tables creation, bulk import from .csv and basic queries enhancement and improvement

The following SQL code is for the purpose of asesing basic SQL Server literacy for university assignment.

I am creating database and tables schemas, inserting data from .csv files.
Constructing 8 simple qeries as answers to assignment tasks.

The code works well, but as I am very new to MSSQL Server I need some advise on the following:

  1. Are there any better ways for constructing database and table schemas?
  2. Are there any better ways to populate tables from .csv files?
  3. Best practices for error-handling. Print on external file or as query output.
  4. How the syntax can be improved, but provide somewhat foolproofness if the wrong database is in use. Practical and convenient, or complicated and accurate?

Suggestions are welcome.

Assesment questions can be found commented-out prior to every query.

Full code provided below. Comma-separated sample datasets can be found at the bottom.

Thank you in advance.

USE master
GO

---------------------------------------------------------------------------------------
-- Create database

IF NOT EXISTS (
        SELECT
            *
        FROM
            SYS.DATABASES
        WHERE
            NAME = N'TelenorAssignment'
)BEGIN
    CREATE DATABASE (TelenorAssignment) ON PRIMARY (
        NAME = N'TelenorAssignment',
        FILENAME = N'C:Program FilesMicrosoft SQL ServerMSSQL15.MSSQLSERVERMSSQLDATATelenorAssignment.mdf',
        SIZE = 10096KB,
        FILEGROWTH = 1024KB
        ) LOG ON (
            NAME = N'Products_log',
            FILENAME = N'C:Program FilesMicrosoft SQL ServerMSSQL15.MSSQLSERVERMSSQLDATATelenorAssignment.ldf',
            SIZE = 1024KB,
            FILEGROWTH = 10 %
        )
END

USE (TelenorAssignment)
GO

---------------------------------------------------------------------------------------
-- Create Customers table 

IF NOT EXISTS (
    SELECT
        *
    FROM
        SYS.OBJECTS
    WHERE
        OBJECT_ID = OBJECT_ID(N'(dbo).(Customers)') 
        AND TYPE IN (N'U')
)BEGIN
    CREATE TABLE (dbo).(Customers) (
        customerid INT not null,
        firstname VARCHAR (50) null,
        lastname VARCHAR (50) null,
        city VARCHAR (50) null,
        state VARCHAR (50) null,
        CONSTRAINT PK_Customers_customerid PRIMARY KEY CLUSTERED (customerid)
    )
END
GO

---------------------------------------------------------------------------------------
-- Populate Customers table from .csv

BEGIN TRY
    BULK INSERT (dbo).(Customers)
    FROM
        'C:customers_data.csv' WITH (  -- <--- fit for purpose
            FIRSTROW = 1,
            FIELDTERMINATOR = ',',
            ROWTERMINATOR = 'n',
            ERRORFILE = 'C:CustomersErrorRows.csv',
            TABLOCK
        )
END TRY
BEGIN CATCH
  SELECT
    ERROR_NUMBER() AS ErrorNumber,
    ERROR_LINE() AS ErrorLine,
    ERROR_MESSAGE() AS ErrorMessage;
END CATCH
GO

--SELECT * FROM (dbo).(Customers)

---------------------------------------------------------------------------------------
-- Create Customer_Purchases table

IF NOT EXISTS(
    SELECT
        *
    FROM
        SYS.OBJECTS
    WHERE
        OBJECT_ID = OBJECT_ID(N'(dbo).(Customer_Purchases)') 
        AND TYPE IN (N'U')
) BEGIN
    CREATE TABLE (dbo).(Customer_Purchases) (
        customerid INT NOT NULL,
        order_date DATE NULL,
        item VARCHAR (200) NULL,
        quantity INT NULL,
        price DECIMAL (20,2) NULL,
        CONSTRAINT FK_CustomerPurchases_CustomerID FOREIGN KEY (customerid)
            REFERENCES (dbo).(Customers)(customerid)
            ON DELETE CASCADE
            ON UPDATE CASCADE
    )
END
GO

---------------------------------------------------------------------------------------
-- Populate Customer_Purchases table from .csv

BEGIN TRY
    BULK INSERT (dbo).(Customer_Purchases)
    FROM
        'C:customer_purchases_data.csv' WITH (  -- <--- fit for purpose
            FIRSTROW = 1,
            FIELDTERMINATOR = ',',
            ROWTERMINATOR = 'n',
            ERRORFILE = 'C:CustomerPurchasesErrorRows.csv',
            TABLOCK
        )
END TRY
BEGIN CATCH
  SELECT
    ERROR_NUMBER() AS ErrorNumber,
    ERROR_LINE() AS ErrorLine,
    ERROR_MESSAGE() AS ErrorMessage;
END CATCH
GO

SELECT * FROM (dbo).(Customers)
SELECT * FROM (dbo).(Customer_Purchases)



---------------------------------------------------------------------------------------
-- 1. Count clients by state and show in descending order. 

SELECT 
    (TelenorAssignment).(dbo).(Customers).(state), 
    COUNT((TelenorAssignment).(dbo).(Customers).(customerid)) AS (customercount) 
FROM 
    (TelenorAssignment).(dbo).(Customers)
WHERE 
    (TelenorAssignment).(dbo).(Customers).(state) IS NOT NULL 
GROUP BY (TelenorAssignment).(dbo).(Customers).(state)
ORDER BY 
    (customercount) DESC

---------------------------------------------------------------------------------------
-- 2. Show first and last name of the customers who are presented with their first name more than once. 

SELECT
    (TelenorAssignment).(dbo).(Customers).(customerid),
    (TelenorAssignment).(dbo).(Customers).(firstname), 
    (TelenorAssignment).(dbo).(Customers).(lastname),
    (TelenorAssignment).(dbo).(Customers).(city),
    (TelenorAssignment).(dbo).(Customers).(state)
FROM
    (TelenorAssignment).(dbo).(Customers)
WHERE
    (TelenorAssignment).(dbo).(Customers).(firstname) IN(
        SELECT
            (TelenorAssignment).(dbo).(Customers).(firstname)
        FROM
            (TelenorAssignment).(dbo).(Customers)
        GROUP BY
            (TelenorAssignment).(dbo).(Customers).(firstname)
        HAVING
            COUNT((TelenorAssignment).(dbo).(Customers).(firstname)) > 1
      )
GROUP BY
    (TelenorAssignment).(dbo).(Customers).(customerid),
    (TelenorAssignment).(dbo).(Customers).(firstname), 
    (TelenorAssignment).(dbo).(Customers).(lastname),
    (TelenorAssignment).(dbo).(Customers).(city),
    (TelenorAssignment).(dbo).(Customers).(state)

---------------------------------------------------------------------------------------
-- 3. How many flashlights are bought by John Gray? 

SELECT 
    c.(customerid),
    c.(firstname), 
    c.(lastname),
    cp.(item), 
    SUM(cp.(quantity)) AS (quantity_bought)
FROM 
    (TelenorAssignment).(dbo).(Customers) AS c
INNER JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON c.(customerid) = cp.(customerid)
WHERE 
    cp.(item) IN (
        SELECT
            (TelenorAssignment).(dbo).(Customer_Purchases).(item)
        FROM
            (TelenorAssignment).(dbo).(Customer_Purchases)
        WHERE 
            (TelenorAssignment).(dbo).(Customer_Purchases).(item) LIKE 'Flashlight'
        HAVING
            count(*) > 1
    ) 
AND c.(customerid) = 10101
GROUP BY 
    c.(customerid),
    c.(firstname), 
    c.(lastname),
    cp.(item)

---------------------------------------------------------------------------------------
-- 4. Show 5 random customers and purchases (item and quantity). 

SELECT TOP 5
    c.(customerid),
    c.(firstname), 
    c.(lastname),
    c.(city),
    c.(state), 
    cp.(item), 
    cp.(quantity)
FROM (TelenorAssignment).(dbo).(Customers) AS c
INNER JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON cp.(customerid) = c.(customerid)
ORDER BY 
    RAND(CHECKSUM(*) * RAND())

---------------------------------------------------------------------------------------
-- 5. What is the earliest item purchased by Isabela Moore? 

SELECT TOP 1
    c.(customerid), 
    c.(firstname), 
    c.(lastname), 
    cp.(item), 
    cp.(order_date)
FROM (TelenorAssignment).(dbo).(Customers) AS c
LEFT JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON c.(customerid) = cp.(customerid)
WHERE 
    c.(customerid) = 10449
GROUP BY 
    c.(customerid), 
    c.(firstname), 
    c.(lastname), 
    cp.(item), 
    cp.(order_date)
ORDER BY 
    cp.(order_date)

---------------------------------------------------------------------------------------
-- 6. What did Isabela Moore purchase in the period 01 August to 31 December?

SELECT 
    cp.(customerid), 
    c.(firstname), 
    c.(lastname), 
    cp.(item), 
    cp.(order_date)
FROM (TelenorAssignment).(dbo).(Customers) AS c
LEFT JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON c.(customerid) = cp.(customerid)
WHERE
    c.(customerid) = 10449
    AND cp.(order_date)
        BETWEEN '2009-08-13' 
        AND '2009-12-31'
GROUP BY 
    cp.(customerid), 
    c.(firstname), 
    c.(lastname), 
    cp.(item), 
    cp.(order_date)
ORDER BY 
    cp.(order_date)

---------------------------------------------------------------------------------------
-- 7. Show the total number of items, total amount and weighted average price by state.

SELECT 
    c.(state),
    SUM(cp.(quantity)) AS (total_items),
    SUM(cp.(price) * cp.(quantity)) AS (total_amount),
    SUM(cp.(price) * cp.(quantity)) / SUM(cp.(quantity)) AS (weighted_average_price)
FROM (TelenorAssignment).(dbo).(Customers) AS c
INNER JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON c.(customerid) = cp.(customerid)
GROUP BY 
    c.(state)

---------------------------------------------------------------------------------------
-- 8. Show in separate columns Isabela Moore`s purchases item and order date.

SELECT 
    cp.(item), 
    cp.(order_date)
FROM (TelenorAssignment).(dbo).(Customers) AS c
INNER JOIN (TelenorAssignment).(dbo).(Customer_Purchases) AS cp
ON c.(customerid) = cp.(customerid)
WHERE 
    c.(customerid) = 10449
GROUP BY 
    cp.(item), 
    cp.(order_date)

Customers Dataset:

10101,John,Gray,Lynden,Washington
10298,Leroy,Brown,Pinetop,Arizona
10299,Elroy,Keller,Snoqualmie,Washington
10315,Lisa,Jones,Oshkosh,Wisconsin
10325,Ginger,Schultz,Pocatello,Idaho
10329,Kelly,Mendoza,Kailua,Hawaii
10330,Shawn,Dalton,Cannon Beach,Oregon
10338,Michael,Howell,Tillamook,Oregon
10339,Anthony,Sanchez,Winslow,Arizona
10408,Elroy,Cleaver,Globe,Arizona
10410,Mary Ann,Howell,Charleston,South Carolina
10413,Donald,Davids,Gila Bend,Arizona
10419,Linda,Sakahara,Nogales,Arizona
10429,Sarah,Graham,Greensboro,North Carolina
10438,Kevin,Smith,Durango,Colorado
10439,Conrad,Giles,Telluride,Colorado
10449,Isabela,Moore,Yuma,Arizona

Customer Purchases Dataset:

10330,30-Jun-09,Pogo stick,1,28
10101,30-Jun-09,Raft,1,58
10298,01-Jul-09,Skateboard,1,33
10101,01-Jul-09,Life Vest,4,125
10299,06-Jul-09,Parachute,1,1250
10339,27-Jul-09,Umbrella,1,4.5
10449,13-Aug-09,Unicycle,1,180.79
10439,14-Aug-09,Ski Poles,2,25.5
10101,18-Aug-09,Rain Coat,1,18.3
10449,01-Sep-09,Snow Shoes,1,45
10439,18-Sep-09,Tent,1,88
10298,19-Sep-09,Lantern,2,29
10410,28-Oct-09,Sleeping Bag,1,89.22
10438,01-Nov-09,Umbrella,1,6.75
10438,02-Nov-09,Pillow,1,8.5
10298,01-Dec-09,Helmet,1,22
10449,15-Dec-09,Bicycle,1,380.5
10449,22-Dec-09,Canoe,1,280
10101,30-Dec-09,Hoola Hoop,3,14.75
10330,01-Jan-00,Flashlight,4,28
10101,02-Jan-10,Lantern,1,16
10299,18-Jan-10,Inflatable Mattress,1,38
10438,18-Jan-10,Tent,1,79.99
10413,19-Jan-10,Lawnchair,4,32
10410,30-Jan-10,Unicycle,1,192.5
10315,02-Feb-10,Compass,1,8
10449,28-Feb-10,Flashlight,1,4.5
10101,08-Mar-10,Sleeping Bag,2,88.7
10298,18-Mar-10,Pocket Knife,1,22.38
10449,19-Mar-10,Canoe paddle,2,40
10298,01-Apr-10,Ear Muffs,1,12.5
10330,19-Apr-10,Shovel,1,16.75

computational mathematics – Accounting for nanoparticle effect for heat enhancement and analysis of nanofluid/oil flow in porous media using ShanChen LBM

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pathfinder 1e – Enhancement bonuses to armour and natural armour stacking

They stack in this case, the rules for enhancement bonuses are

An enhancement bonus represents an increase in the sturdiness and/or effectiveness of armor or natural armor, or the effectiveness of a weapon, or a general bonus to an ability score. Multiple enhancement bonuses on the same object (in the case of armor and weapons), creature (in the case of natural armor), or ability score do not stack. Only the highest enhancement bonus applies. Since enhancement bonuses to armor or natural armor effectively increase the armor or natural armor’s bonus to AC, they don’t apply against touch attacks.

                                                                                                                          — D20 PFSRD

In this case you have two different enhancement bonis, one on the armor, one on you. Since they’re not applying to the same creature or object or ability score, they do stack.

See also this Q&A which comes to the same conclusion.

seo – Specializing in the supply of cheap male enhancement drugs?

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Can Monk's unarmed movement enhancement be used to tear down a wall?

My player asks me if he could use this ability to execute his full movement speed on a vertical surface and then have a kick of gravity. So his fall damage if he descended a cliff would only start after the first 120 feet of movement (if he is rushing first) instead of from the top of the cliff.

Is this a viable use of this capacity? I imagine the ability to work like running on the walls. Going straight is good. But immediately? It seems like it shouldn't work that way.