1Z0-909 Exam Questions

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

Examine these my.cnf settings: Examine this entry from /data/slow.log Which option is also set in my.cnf?

Your program which uses a MySQL connector receives this error: Client does not support authentication protocol request by server The account running the program uses caching_sha2_p...

Examine the output: Which explain command will obtain the output?

Examine the Test.php script which is numbered for clarity, and its output: PHP Fatal error: Uncaught Error: call to underined function mysqli_connect () in Test.php:2 Which action...

How does InnoDB choose deadlock victims in MySQL?

Examine these statements which execute successfully: The statements executed without exception. Which two are true?

The collection col contains all episodes for all seasons for a TV show. Examine this document which has an example of the details for each episode: Which query returns all expisode...

Examine this event's metadata: Now examine this command: DROP USER 'userl'e'localhost'; Which effect will the command have on the event?

You are using buffered queries with PHP mysqli in a browser-based web application. Which three are true?

Examine these statements issued from Session 1 which execute successfully: Now, examine this statement issued from Session 2: What is the outcome of the update statement in Session...

Examine these statements which execute successfully: Which two changes will improve this query performance?

Which two are true about indexes?

Examine this statement and output: CREATE TABLE geom (g GEOMETRY NOT NOLL, SPATIAL INDEX(g) ); Query OK, 0 rows affected, 1 warning (0.01 sec) An attempt is made to add an SRID att...

Examine this statement and output: You execute this statement: SELECT JSON_SEARCH(product,'one','IT') FROM fshop ; What is the output?

Examine this statement which executes successfully: The table is populated with a range of values including jobs for Robert, John, and Katie. Now, examine this statement and output...

Examine this statement which executes successfully: SET @ir := 2; Which query updates the value of @r to 0?

Your session has sqi_mode set to default. Examine this statement which executes successfully: Now examine this statement: Which two changes are required to the insert statement so...

Examine this statement: DECLARE not_found CONDITION FOR SQLSTATE '02000'; In which two statements can not found be used?

Examine the statement which executes successfully: SET sql_mode=' NO_ENGINE_SUBSTITTJTION' ; You try to create a table with a storage engine that is not available. What will happen...

Examine these commands which execute successfully: mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2)); mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income FOR EACH...

Examine these commands and output: Which is true about the execution of the insert statement?

Examine the appointments table definition which contains one million rows: Now, examine this statement which executes successfully: Which statement will improve query performance?

Examine these statements which execute successfully: Now, examine this query: What is the result?

What is an advantage of using mysqli in PHP programs rather than using PHP Data Objects (PDO)?

Examine these statements issued from Session 1 which execute successfully: Now, examine these statements issued from Session 2 which execute successfully: Session 2> BEGIN; UPDATE...

Which two are true about MySQL connectors?

Which change will prevent negative ages to be inserted into the people table?

Examine these statements: SET collation_connection=utf8mb4_0900_as_cs; SELECT STRCMPCAlice', UCASE ('Alice* )) ; What is displayed?

Examine these commands and output: Which is true?

Which select statement returns true?

Examine the structure of the emp table: Examine the structure of the emp_vu1 view based on the emp table: Now, examine this statement: mysq1> INSERT INTO emp_vul VALUES ('Alice',20...

Examine this statement which has executed successfully:

Which two differences exist between the timestamp and date time data types?

Which two are true about MySQL Document Store?

Examine this statement and output: Now, examine these desired output values: Which statement updates the table data as require

Examine this statement:

Examine this statement which executes successfully: CREATE TABLE 'fshop' ('product' JSON DEFAULT NULL ) ENGINE=InnoDB; Now, examine a json value contained in the table: {"name" : "...

Examine this statement and output: Which is true?

Which statement is true about the show errors command?

Examine these lines of Python code: You must add a line of code to complete the code to return data to the variable d. Which line will do this?

Examine the content of the employee table: Now examine this PHP script: Finally examine this desired output:

Examine this bar graph based on columns from the players table: Which two statements would generate this bar graph?

Examine these commands which execute successfully in the sequence shown in Sessions S1 and S2: Now, examine this statement that execute successfully in s1: S1> SELECT * FROM emp; W...

Which two statements are true about AUTO_INCREMENT?

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?

Examine this statement that execute successfully in an interactive session: The user running this session now goes to lunch for an hour. Now, examine these statements executed inde...

Examine these MySQL Shell statements: What is the true about the attempts to add document to the collection?

Examine this table definition: The table must always remain a valid document store collection. What restriction does this impose on any added column?

Examine this statement and output: What causes the error?