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SQL Server: Drop a foreign key

Post author:K Z
Post published:October 9, 2021
Post category:SQL Server
Post comments:0 Comments

Learn how to drop a foreign key in SQL Server with syntax and examples. Description Once a foreign key has been created, you may find that you wish to drop the foreign key…

Swift – Dictionaries

Post author:S J
Post published:October 9, 2021
Post category:Swift
Post comments:1 Comment

This topic is about Swift - Dictionaries. Swift 4 dictionaries are used to store unordered lists of values of the same type. Swift 4 puts strict checking which does not allow you…

SQL Server: Foreign Keys with set null on delete

Post author:K Z
Post published:October 9, 2021
Post category:SQL Server
Post comments:1 Comment

This SQL Server tutorial explains how to use Foreign Keys with "set null on delete" in SQL Server with syntax and examples. What is a foreign key with "Set NULL on delete"…

Swift – Sets

Post author:S J
Post published:October 9, 2021
Post category:Swift
Post comments:1 Comment

In this topic we learned about Swift - Sets. Swift 4 sets are used to store distinct values of same types but they don’t have definite ordering as arrays have. You can…

Erlang – duplicate

Post author:S K S
Post published:October 9, 2021
Post category:Erlang
Post comments:2 Comments

In this guide, we will discuss Erlang duplicate. Returns a list which contains N copies of the term Elem. Syntax duplicate(N,Elem) Parameters N − The number of times the element needs…

Swift – Arrays

Post author:S J
Post published:October 9, 2021
Post category:Swift
Post comments:1 Comment

This topic is about Swift - Arrays. Swift 4 arrays are used to store ordered lists of values of the same type. Swift 4 puts strict checking which does not…

Erlang – droplast

Post author:S K S
Post published:October 9, 2021
Post category:Erlang
Post comments:2 Comments

In this guide, we will discuss Erlang droplast. Drops the last element of a List. The list should be non-empty, otherwise the function will crash with a function_clause. Syntax droplast(List1)…

Bootstrap – Thumbnails

Post author:SUBHA S
Post published:October 9, 2021
Post category:Bootstrap
Post comments:1 Comment

This chapter discusses about Bootstrap thumbnails. A lot of sites need a way to lay out images, videos, text, etc, in a grid, and Bootstrap has an easy way to…

Erlang – delete

Post author:S K S
Post published:October 9, 2021
Post category:Erlang
Post comments:2 Comments

In this guide, we will discuss Erlang delete. Deletes an element from the list and returns a new list. Syntax delete(element,List1) Parameters Element − the element to delete from the list.List1 −…

Swift – Characters

Post author:S J
Post published:October 9, 2021
Post category:Swift
Post comments:1 Comment

This chapter is about Swift - Characters. A character in Swift is a single character String literal, addressed by the data type Character. Take a look at the following example. It uses two…