add a unique index that includes both columns. that will prevent you from inserting a record that contains a dupli e egory id/post id pair.
well you can probably fill books about indices but in short here a few things to think about, when creating an index: while it mostly speeds up
there is no conclusion that composite primary keys are bad. the best practice is to have some column or columns that uniquely identify a row.
what are the pros and cons of using entity framework 4. code-first over model/database-first with edmx diagram? i& 39;m trying to fully understand all
what are the pros and cons of your choice? has been asked, because gwt desperatley needs a rails-like way of structuring an appli ion. an implementing class that can be a composite or use an external widget library
most composite product lines offer a picket railing, which is similar in style to wood railings. this is a great feature given the longevity, sturdiness, and durability of
apr 2, 20 3 composite decks have a ton of great benefits and are eco-friendly; however, they also have a few dbacks including the price tag.
learn about the materials most widely used to construct a residential deck, from railings to floorboards, including the pros and cons of each type. 0 of 05
composite decks aren& 39;t completely maintenance free. like wood decks, they still require you to sweep up leaves and other debris, and wash them down
edit2 due to question on hold: i& 39;m looking for alternatives other than the one& 39;s i& 39;v mentioned and it& 39;s pros and cons, in general. and specifically
since rails/activerecord doesn& 39;t play nice with composite pks by default, the combination of foreign keys can be a primary key called a composite primary key . pros of having a single pk cons of having a single pk.
also, while it is not unusual for a natural key to be composite, there is almost never a reason to make a composite surrogate key. as a consequence, a foreign
from a ui perspective this seems broken users will be able to associate any model year and name with any manufacturer, even if that
yes, use insert on duplicate key update id=id it won& 39;t trigger row update even though id is assigned to itself . if you don& 39;t care about
pros. appears more woodlike than other low-maintenance options, so railings blend nicely with wood-composite decking. feels more like wood than plastic
jul 26, 20 0 today& 39;s question is from kenny at kennymasters.com. kenny asks, "is man made decking all the same? is there one stronger than the other?
jul 26, 20 2 a cedar deck will last 5 to 20 years, with decks built close to the ground or in the shade coming in at the bottom of that range. certain pressure-
aug 2, 20 9 if you& 39;re on the fence about using aluminum for your railing, we& 39;re here to help we& 39;ve compiled a list of all the pros and cons of aluminum
pros: this will clean an entire schema and re-create it as a new one. cons: have missed ; roles or other security settings; composite types; toast tables; fdw and foreign tables rake task for rails for destroy all tables in current database
i am looking to replace my pressure treated lumber deck with a composite flooring and vinyl rail system. does anyone have a recommendation or comments on
jan 2 , 2020 over time, composite decks may begin sagging. cedar. pros: cedar is widely available. it& 39;s strong, yet lightweight, and has a rich color. cedar has
please note that besides decking, wood and plastic can be used for railings, and fences as well. wood —. natural wood for decks include pressure-treated wood,
long the go-to material, wood is increasingly being replaced by composite decking as the material of choice for outdoor spaces. family features/courtesy photo
nov 5, 20 9 when contemplating the best deck railing choice, each deck rail option has its pros and cons. at wahoo decks, we manufacturer aluminum
may 9, 20 7 weigh the pros and cons of wood and composite in order to make the because it has been used the longest, the majority of decks in the us
sep 4, 20 9 why would someone pick wood, vinyl, composite or aluminum fencing? find out quickly the pros and cons of each fence type before you call
like most additions to your home, there are pros and cons to installing a deck. generally, decks are made from wood or vinyl, have some kind of railing, and are built composite decking cost.