Priority Technology Holdings Interview Questions, Process, and Tips

Simple aptitude test.

Q1. What is the difference between Data Manipulation Language (DML) and Data Definition Language (DDL)?
Ans. 
DML is used to manipulate data in a database, while DDL is used to define the structure of the database.
• DML is used for operations like insert, update, delete data in tables.

• DDL is used for operations like creating, altering, dropping tables and defining constraints.

• Examples of DML statements include INSERT, UPDATE, DELETE.

• Examples of DDL statements include CREATE, ALTER, DROP.
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Q2. What is the difference between the DELETE, DROP, and TRUNCATE commands in SQL?
Ans. 
DELETE removes specific rows from a table, DROP removes entire table, TRUNCATE removes all rows from a table.
• DELETE is used to remove specific rows from a table based on a condition.

• DROP is used to remove an entire table along with its structure and data.

• TRUNCATE is used to remove all rows from a table but keeps the table structure intact.

• DELETE is slower than TRUNCATE and DROP as it logs individual row deletions.

• DROP ...read more
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Q1. Did not reach this stage but first round is usually technical.
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Q1. What is alias , like , union , joins and basic of python
Ans. 
Alias, like, union, joins are SQL concepts. Basics of Python include data types, loops, functions, and classes.
• Alias in SQL is used to give a table or column a temporary name.

• Like in SQL is used to search for a specified pattern in a column.

• Union in SQL is used to combine the result sets of two or more SELECT statements.

• Joins in SQL are used to combine rows from two or more tables based on a related column between them...read more
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Q1. Unexprirence HR
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Q2. No question asked
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Q1. Technical Round : Intro by Interviewer , Candidate intro , Strength and Weakness
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Q2. 20 Minute session hardly
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