Give an array of Integer which contain duplicate number from 1-100, how to count how many distinct number you have?
Programador Sql Interview Questions
Programador Sql Interview Questions
SQL son las siglas de Structured Query Language (lenguaje de consulta estructurado) y un programador SQL es la persona encargada de crear bases de datos SQL y las aplicaciones que funcionan con ellas. Por lo general, utilizan tablas de diseño y recursos de almacenamiento para mayor estabilidad, fiabilidad y rendimiento. En una entrevista para un puesto de programador SQL, pueden hacerte preguntas sobre tus conocimientos de programación y habilidades de resolución de problemas.
Preguntas de entrevista más frecuentes para programador/a SQL y cómo responderlas
Pregunta n.º 1: ¿Qué tipos de claves existen en SQL y cuándo las usarías?
Pregunta n.º 2: ¿Qué tipos de normalización existen en SQL y cuándo los usas?
Pregunta n.º 3: ¿Con qué lenguajes de programación estás familiarizado?
710,433 programador sql interview questions shared by candidates
Write a code to reverse binary bit pattern for an integer without using any string or utility methods?
How would you implement a top 3 word count in a text editor application?
Find nth last number in a singly linked list.
Was given a homework question(2days): Program using a language of your choice the following assignment, given a file of sorted strings (one string per line, example file was given) sorted according to some unknown alphabet, recover the order of characters of this alphabet.
You have the file with word at a single line. #input sample file abactor abaculus abacus Abadite . . Zyrenian #Output ******************a **********b ************************c a) you have to count the character and create a histogram in alphabetical order. b) now you have to produce a histogram with max 80 character in line in reference to max count c) now same out based histrogram based on the character count
Second interview question: giving a phone number return all the number key combinations for that phone number
If you go 4 miles north and 3 miles south, what is the overall displacement?
I'm thinking of a number 1 to 999. You may ask 3 questions to try to figure it out. You may not ask questions such as, what is the number, or what is the first/second/third digit.
Main Technical Question: Write a function that takes as input an array of words input => ['cat', 'star', 'act', 'god', 'arts', 'dog', 'rats'] and returns a sorted array output => ['cat', 'act', 'god', 'dog', 'start', 'arts', 'rats']
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