1z0-909 MySQL 8.0 Database Developer Questions and Answers

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ERROR: 1267 (HYOOO): Illegal mix of collations

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NULL

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Option A

Option B

Option C

Option D

It inserts a row with a warning.

It inserts a row with no error or warning.

It inserts a row with an error.

It fails with an error.

It fails with a warning.

It inserts a row in the emp table.

It returns an error because an insert operation is not allowed on views.

It inserts a row in the view only.

It returns an error because the PRIMARY ACCOUNT column is not selected for the view definition.

CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;

CREATE TABLE fshop ( product JSON, f INT' GENERATED ALWAYS AS (product->"S - id") ) ;

CREATE TABLE fshop (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;

CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;

Additional queries on the same session are blocked until the result set is released.

Results are sent from the server to the browser for buffering.

Buffered queries are enabled by default.

Buffered queries should be used on large tables when the result size is unknown.

Results are sent to the calling PHP process for buffering.

Buffered queries must be explicitly enabled using mysqliuseresult.

Large results can have a negative impact on performance.