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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q22-Q27):

NEW QUESTION # 22
MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
B. Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.
C. Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
D. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';

Answer: B,D

NEW QUESTION # 23
You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?

A. CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
B. CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
C. CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
D. CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)
E. CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE

Answer: A

NEW QUESTION # 24
Which statement adds a column with the largest integer data type?

A. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
B. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
C. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
D. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);

Answer: C

NEW QUESTION # 25
Which two are advantages of using Document Store in MySQL?

A. MySQL provides a NoSQL API to access the document store
B. MySQL provides a native data type to store JSON data as a document
C. MySQL provides a native data type to index PDF documents
D. MySQL can store XML as a schema-less database
E. MySQL is a document database allowing PDF and Word documents

Answer: A,D

NEW QUESTION # 26
Which statement would you use to remove the population column from the city table?

A. DROP population FROM city;
B. ALTER TABLE city DELETE population;
C. DELETE population FROM city;
D. ALTER TABLE city LESS population;
E. ALTER TABLE city DROP population;

Answer: E

NEW QUESTION # 27
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1Z0-921 Test Simulator Fee & Valid 1Z0-921 Test Voucher

Free PDF 2025 Oracle Accurate 1Z0-921: MySQL 2021 Implementation Essentials Test Simulator Fee

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q22-Q27):

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