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Preguntas de entrevista de Sql data analyst
30
Preguntas de entrevista para Sql Data Analyst compartidas por los candidatosPrincipales preguntas de entrevista
A un SQL Report Developer/Data Analyst le preguntaron...31 de mayo de 2016
What is the difference between DELETE and TRUNCATE?
1 respuestas↳
Truncate is faster and there is no logging.
A un SQL Data Analyst le preguntaron...23 de octubre de 2018
Write Queries using Join
1 respuestas↳
SELECT A.id, A.firstName, A.LastName , B. address1, B.address2. B.city FROM Person A JOIN Address B on A.id=B.id A.id is primary key on table Person and B.id is foreign key in table Address B Menos
A un SQL Report Developer/Data Analyst le preguntaron...31 de mayo de 2016
What do you do to optimize sql queries?
1 respuestas↳
Review nodes in execution plans on high cost. Review IO and Time statistics to get an idea of how many times a table is getting hit. Menos
A un SQL Data Analyst le preguntaron...30 de abril de 2015
They asked me the order of operations for an SQL query
1 respuestas↳
FROM clause WHERE clause GROUP BY clause HAVING clause SELECT clause ORDER BY clause Menos
A un SQL Developer/Data Analyst le preguntaron...16 de marzo de 2018
A un SQL Data Analyst le preguntaron...15 de marzo de 2017
How many years of ex you have with Sql queries ?
A un SQL Data Analyst le preguntaron...15 de marzo de 2017
A couple of small sql queries to check skills ?
A un SQL Data Analyst le preguntaron...25 de octubre de 2019
What are your experiences with SQL
A un SQL Data Analyst le preguntaron...23 de noviembre de 2016
If you have two excel sheets with this columns, how would you map it with the master excel sheet so that data can be extracted at that granular level
A un SQL Data Analyst le preguntaron...24 de mayo de 2021