DATA TYPES

Question 1

A FIXED length string (can contain letters, numbers, and special characters). The size parameter specifies the column length in characters can be from 0 to 255. Default is 1

Answer 1

CHAR(size)

Question 2

A VARIABLE length string (can contain letters, numbers, and special characters). The size parameter specifies the maximum column length in characters - can be from 0 to 65535

Answer 2

VARCHAR(size)

Question 3

Equal to CHAR(), but stores _byte strings. The size parameter specifies the column length in bytes. Default is 1

Answer 3

BINARY(size)

Question 4

Equal to VARCHAR(), but stores binary byte strings. The size parameter specifies the maximum column length in bytes.

Answer 4

VARBINARY(size)

Question 5

For BLOBS (Binary Large Objects). Max length: 255 bytes

Answer 5

TINYBLOB

Question 6

Holds a string with a maximum length of 255 characters

Answer 6

TINYTEXT

Question 7

Holds a string with a maximum length of 65,535 bytes

Answer 7

TEXT(size)

Question 8

For _(Binary Large OBiects). Holds up to 65,535 bytes of data

Answer 8

BLOB(size)

Question 9

Holds a string with a maximum length of 16,777,215 characters

Answer 9

MEDIUMTEXT

Question 10

For BLOBs (Binary Large Objects). Holds up to 16,777,215 bytes of data

Answer 10

MEDIUMBLOB

Question 11

Holds a string with a maximum length of 4,294,967,295 characters

Answer 11

LONGTEXT

Question 12

For BLOBS (Binary Large Objects). Holds up to 4,294,967,295 bytes of data

Answer 12

LONGBLOB

Question 13

A string object that can have only one value, chosen from a list of possible values. You can list up to 65535 values in an ENUM list. If a value is inserted that is not in the list, a blank value will be inserted. The values are sorted in the order you enter them

Answer 13

ENUM(val1, val2, val3, …)

Question 14

A string object that can have 0 or more values, chosen from a list of possible values. You can list up to 64 values in a SET list

Answer 14

SET(val1, val2, val3, …)

Question 15

A bil-value type The number of bits per value is specified in size The size parameter can hold a value from 1 to 64. The default value for size is 1

Answer 15

BIT(size)

Question 16

(A very small intiger Signed range is from-128 to 127. Unsigned range is from 0 to 255. The size parameter specifies the maximun display wilth (which is 255)

Answer 16

TINYINT

Question 17

Zero is considered as false, nonzero values are considered as true

Answer 17

BOOL

Question 18

Equal to BOOL

Answer 18

BOOLEAN

Question 19

A small integer. Signed range is from -32768 to 32/67 Unsignod range is from 0 to 65535. The size parameter specitius the mammum display wedth (which is 265)

Answer 19

SMALLINT(size)

Question 20

A medium intiger Signed range is from 8388808 to 8388607. Unsigned range is from 0 to 16777215. The size parameter specifies the maamum display with (which is 2551

Answer 20

MEDIUMINT(Size)

Question 21

A szemedium integer Signed range is from -2147483648 to 2147483647. Unsigned range is from 0 to 4294967296, the size panemeter speciños the moumum display redtty (which in 255)

Answer 21

INT(size)

Question 22

Equal to INT (size)

Answer 22

INTEGER(size)

Question 23

A large integer Signed range is from -9223372036854775808 to 9223372036854775807. Unsigned range is from 0 to 184467440/3700651615. The sto parameter specifies the maximum display width (which is 255)

Answer 23

BIGINT(size)

Question 24

A floating point number. The total number of digits is specified in size. The number of digits after the decimal point is specified in the parameter. This synlax is deprecated in MySQL 8.0.17 and it will be removed in future MySQL versions

Answer 24

FLOAT (size,d)

Question 25

A floating point number MySQL, uses the p value to determine whether to use FLOAT or DOUBLE for the resulting data type if p is from 0 to 24, the data type betones FLOATO if P is from 25 to 53, the data type becomes DOUBLE()

Answer 25

FLOAT(p)

Question 26

A normal siure floating point number. The total number of digits is specified in size. The number of digits after the decimal point is specified in the d parameter

Answer 26

DOUBLE(size,d)

Question 27

An exact fixed-point number. The total number of digits in specified in size. The number of digits after the decimal point is specified in the of paremeter the maximum number for size is 65 The maximum number for d is 30. The default value for size is 10. The default value for of is 0.

Answer 27

DECIMAL(size,d)

Question 28

A _. Format: YYYY-MM-DD. The supported range is from '1000-01-01 to '9999-12-31'

Answer 28

DATE

Question 29

A date and time combination. Format: YYYY-MM-DD hh:mm:ss. The supported range is from '1000-01-01 00:00:00' to '9999-12-31 23:59:59' Adding DEFAULT and ON UPDATE in the column definition to get automatic initialization and updating to the current date and time

Answer 29

DATETIME(fsp)

Question 30

values are stored as the number of seconds since the Unix epoch ('1970-01-01 00:00:00' UTC). Format: YYYY-MM- DD hh:mm:ss. The supported range is from '1970-01-01 00:00:01 UTC to '2038-01-09 03:14:07' UTC. Automatic initialization and updating to the current date and time can be specified using DEFAULT CURRENT TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP in the column definition

Answer 30

TIMESTAMP(fsp)

Question 31

Format: hh:mm:ss. The supported range is from '-838:59:59' to '838:59:59'

Answer 31

TIME(fsp)

Question 32

in four-digit format. Values allowed in four-digit format: 1901 to 2155, and 0000. MySQL 8.0 does not support year in two-digit format

Answer 32

YEAR