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NEW QUESTION 49
Which two are true about MySQL Document Store?

  • A. There is no access to relational tables.
  • B. It can store documents greater than 4 GB.
  • C. It allows one to bypass the SQL layer of the server.
  • D. It helps to store data items in a schema-less key-value store.
  • E. It depends heavily on strictly typed data.

Answer: C,D

 

NEW QUESTION 50
Which select statement returns true?

  • A. SELECT NULL <> NULL;
  • B. SELECT NULL = NULL;
  • C. SELECT NULL := NULL;
  • D. SELECT NULL <=> NULL;

Answer: D

 

NEW QUESTION 51
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?

  • A. SELECT last_name + ', ' + first_name FROM employees;
  • B. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
  • C. SELECT CONCAT(last name,', ',first_name) FROM employees;
  • D. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
  • E. SELECT last_name, ' , ',first_name FROM employees;

Answer: A,B

 

NEW QUESTION 52
You must enforce data integrity for data Inserted in a JSON column.
Which statement successfully creates a constraint in a 3SON column?

  • A. CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;
  • B. CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;
  • C. CREATE TABLE fshop (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;
  • D. CREATE TABLE fshop ( product JSON, f INT' GENERATED ALWAYS AS (product->"S - id") ) ;

Answer: C

 

NEW QUESTION 53
Examine this statement and output:
1Z0-909-84186cb902f99b4f51f6edea93af7bba.jpg
Which will provide the same level of detail when the error is encountered within a stored routine?
A)
1Z0-909-8a38e5f26d044fa683773217ac3af8fb.jpg
B)
1Z0-909-1eb72b1d27aa4dffb554eb1e43a2692f.jpg
C)
1Z0-909-c82f943973bb28b1b372a3f6c5c36d0a.jpg
D)
1Z0-909-e041903e8e1f5c6c26ab3275d33e5afc.jpg

  • A. Option B
  • B. Option C
  • C. Option D
  • D. Option A

Answer: B

 

NEW QUESTION 54
......

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