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The Database Administration and SQL online test assesses a candidate's knowledge of managing and administering database management systems to store and organize data, along with the knowledge of SQL.
It's an ideal test for pre-employment screening. A good database administrator needs to have knowledge of capacity planning, installation, configuration, database design, migration, performance monitoring, security, troubleshooting, as well as backup and data recovery along with the ability to write SQL queries for the purpose of database administering.
This online test requires candidates to answer multiple-choice and fill the blanks questions about various procedures required for database administration, and to write SQL queries that extract, combine, and manipulate data.
Under a new database backup plan:
Due to a missed scenario during the testing phase, a development error in setting wrong query conditions resulted in the loss of all records from a table at 13:45, which had data prior to the implementation of the backup plan. All further backups were taken as per the mentioned schedule.
Select all the ways to restore the database until 13:45.
Given the following data definition, write a query that returns the number of students whose first name is John.
TABLE students id INTEGER PRIMARY KEY, firstName VARCHAR(30) NOT NULL, lastName VARCHAR(30) NOT NULL
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Take a Certification TestPeter Gibbons
Java and SQL
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