What is the command to disable autocommit and launch a transaction?(a) – InterviewSolution

InterviewSolution

1.	What is the command to disable autocommit and launch a transaction?(a) INITIATE TRANSACTION(b) START TRANSACTION(c) DISABLE AUTOCOMMIT(d) TRANSACTION
Answer» The correct option is (b) START TRANSACTION To explain I would say: By default, MySQL runs in the autocommit mode. This means that the changes performed by individual statements or operations on tables are automatically committed to the database immediately.

Discussion

No Comment Found

Related InterviewSolutions

What is data in a MySQL database organized into?(a) Objects(b) Tables(c) Networks(d) File systems
The datatype for single precision floating point number is ____________(a) FLOAT(b) DOUBLE(c) INT(d) BIGINT
Which of these values is not valid as an AUTO_INCREMENT value?(a) 0(b) 1(c) 2(d) 3
If an integer column is used for the values in range 1 to 99999, the best suitable datatype is ____________(a) MEDIUMINT SIGNED(b) MEDIUMINT UNSIGNED(c) SMALLINT SIGNED(d) SMALLINT UNSIGNED
INT3 maps to MySQL type _____________(a) TINYINT(b) SMALLINT(c) MEDIUMINT(d) BIGINT
INT2 maps to MySQL type _____________(a) TINYINT(b) SMALLINT(c) MEDIUMINT(d) BIGINT
Which procedure parameter enables the caller to pass in a value and get back a value?(a) IN(b) OUT(c) INOUT(d) GETINOUT
The hub of a MySQL installation is ______________(a) mysqla(b) mysqlb(c) mysqlc(d) mysqld
Which script initializes the data directory during installation?(a) mysql_install_db(b) mysql_install_dbm(c) mysql_init_db(d) mysql_init_dbm
The SQL mode to check for divide by zero error is ________________(a) STRICT_ALL_TABLES(b) ERROR_FOR_DIVISION_BY_ZERO(c) ERROR_DIVIDE_BY_ZERO(d) ERROR_WHEN_DIVIDE_BY_ZERO