Function and Operator Reference
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Name | Description | Added |
---|---|---|
+ | Addition operator | |
/ | Division operator | |
* | Multiplication operator | |
% | Modulo operator. Returns the remainder of N divided by M | |
- | Subtraction operator | |
!= | Not equals | |
< | Less than | |
<= | Less than or equal | |
<=> | NULL-safe equal | |
= | Equal | |
> | Greater than | |
>= | Greater than or equal | |
& | Bitwise AND | |
<< | Shift left | |
>> | Shift right | |
^ | Bitwise XOR | |
! | Logical NOT | |
&& | Logical AND | |
XOR | Logical XOR | |
|| | Logical OR | |
| | Bitwise OR | |
:= | Assignment operator | |
= | Assignment and comparison operator | |
~ | Bitwise NOT | |
ABS | Returns an absolute value | |
ACOS | Returns an arc cosine | |
ADD_MONTHS | Add months to a date | |
ADDDATE | Add days or another interval to a date | |
ADDTIME | Adds a time to a time or datetime | |
AES_DECRYPT | Decryption data encrypted with AES_ENCRYPT | |
AES_ENCRYPT | Encrypts a string with the AES algorithm | |
AREA | Synonym for ST_AREA | |
AsBinary | Synonym for ST_AsBinary | |
ASCII | Numeric ASCII value of leftmost character | |
ASIN | Returns the arc sine | |
AsText | Synonym for ST_AsText | |
AsWKB | Synonym for ST_AsBinary | |
AsWKT | Synonym for ST_AsText | |
ATAN | Returns the arc tangent | |
ATAN2 | Returns the arc tangent of two variables | |
AVG | Returns the average value | |
BENCHMARK | Executes an expression repeatedly | |
BETWEEN AND | True if expression between two values | |
BIN | Returns binary value | |
BINARY OPERATOR | Casts to a binary string | |
BINLOG_GTID_POS | Returns a string representation of the corresponding GTID position | |
BIT_AND | Bitwise AND | |
BIT_COUNT | Returns the number of set bits | |
BIT_LENGTH | Returns the length of a string in bits | |
BIT_OR | Bitwise OR | |
BIT_XOR | Bitwise XOR | |
BOUNDARY | Synonym for ST_BOUNDARY | |
BUFFER | Synonym for ST_BUFFER | |
CASE | Returns the result where value=compare_value or for the first condition that is true | |
CAST | Casts a value of one type to another type | |
CEIL | Synonym for CEILING() | |
CEILING | Returns the smallest integer not less than X | |
CENTROID | Synonym for ST_CENTROID | |
CHAR Function | Returns string based on the integer values for the individual characters | |
CHARACTER_LENGTH | Synonym for CHAR_LENGTH() | |
CHAR_LENGTH | Length of the string in characters | |
CHARSET | Returns the character set | |
CHR | Returns a string consisting of the character given by the code values of the integer | |
COALESCE | Returns the first non-NULL parameter | |
COERCIBILITY | Returns the collation coercibility value | |
COLLATION | Collation of the string argument | |
COLUMN_ADD | Adds or updates dynamic columns | |
COLUMN_CHECK | Checks if a dynamic column blob is valid | |
COLUMN_CREATE | Returns a dynamic columns blob | |
COLUMN_DELETE | Deletes a dynamic column | |
COLUMN_EXISTS | Checks is a column exists | |
COLUMN_GET | Gets a dynamic column value by name | |
COLUMN_JSON | Returns a JSON representation of dynamic column blob data | |
COLUMN_LIST | Returns comma-separated list | |
COMPRESS | Returns a binary, compressed string | |
CONCAT | Returns concatenated string | |
CONCAT_WS | Concatenate with separator | |
CONNECTION_ID | Connection thread ID | |
CONTAINS | Whether one geometry contains another | |
CONVERT | Convert a value from one type to another type | |
CONV | Converts numbers between different number bases | |
CONVERT_TZ | Converts a datetime from on time zone to another | |
CONVEXHULL | Synonym for ST_CONVEXHULL | |
COS | Returns the cosine | |
COT | Returns the cotangent | |
COUNT | Returns count of non-null values | |
COUNT DISTINCT | Returns count of number of different non-NULL values | |
CRC32 | Computes a cyclic redundancy check value | |
CRC32C | Computes a cyclic redundancy check value | MariaDB 10.8 |
CROSSES | Whether two geometries spatially cross | |
CUME_DIST | Window function that returns the cumulative distribution of a given row | |
CURDATE | Returns the current date | |
CURRENT_DATE | Synonym for CURDATE() | |
CURRENT_ROLE | Current role name | |
CURRENT_TIME | Synonym for CURTIME() | |
CURRENT_TIMESTAMP | Synonym for NOW() | |
CURRENT_USER | Username/host that authenicated the current client | |
CURTIME | Returns the current time | |
DATABASE | Current default database | |
DATE FUNCTION | Extracts the date portion of a datetime | |
DATEDIFF | Difference in days between two date/time values | |
DATE_ADD | Date arithmetic - addition | |
DATE_FORMAT | Formats the date value according to the format string | |
DATE_SUB | Date arithmetic - subtraction | |
DAY | Synonym for DAYOFMONTH() | |
DAYNAME | Return the name of the weekday | |
DAYOFMONTH | Returns the day of the month | |
DAYOFWEEK | Returns the day of the week index | |
DAYOFYEAR | Returns the day of the year | |
DECODE | Decrypts a string encoded with ENCODE() | |
DECODE_HISTOGRAM | Returns comma separated numerics corresponding to a probability distribution represented by a histogram | |
DEFAULT | Returns column default | |
DEGREES | Converts from radians to degrees | |
DENSE_RANK | Rank of a given row with identical values receiving the same result, no skipping | |
DES_DECRYPT | Decrypts a string encrypted with DES_ENCRYPT() | |
DES_ENCRYPT | Encrypts a string using the Triple-DES algorithm | |
DIMENSION | Synonym for ST_DIMENSION | |
DISJOINT | Whether the two elements do not intersect | |
DIV | Integer division | |
ELT | Returns the N'th element from a set of strings | |
ENCODE | Encrypts a string | |
ENCRYPT | Encrypts a string with Unix crypt() | |
ENDPOINT | Synonym for ST_ENDPOINT | |
ENVELOPE | Synonym for ST_ENVELOPE | |
EQUALS | Indicates whether two geometries are spatially equal | |
EXP | e raised to the power of the argument | |
EXPORT_SET | Returns an on string for every bit set, an off string for every bit not set | |
ExteriorRing | Synonym for ST_ExteriorRing | |
EXTRACT | Extracts a portion of the date | |
EXTRACTVALUE | Returns the text of the first text node matched by the XPath expression | |
FIELD | Returns the index position of a string in a list | |
FIND_IN_SET | Returns the position of a string in a set of strings | |
FLOOR | Largest integer value not greater than the argument | |
FORMAT | Formats a number | |
FORMAT_PICO_TIME | Given a time in picoseconds, returns a human-readable time value and unit indicator | MariaDB 11.0.2 |
FOUND_ROWS | Number of (potentially) returned rows | |
FROM_BASE64 | Given a base-64 encoded string, returns the decoded result as a binary string | |
FROM_DAYS | Returns a date given a day | |
FROM_UNIXTIME | Returns a datetime from a Unix timestamp | |
GeomCollFromText | Synonym for ST_GeomCollFromText | |
GeomCollFromWKB | Synonym for ST_GeomCollFromWKB | |
GeometryCollectionFromText | Synonym for ST_GeomCollFromText | |
GeometryCollectionFromWKB | Synonym for ST_GeomCollFromWKB | |
GeometryFromText | Synonym for ST_GeomFromText | |
GeometryFromWKB | Synonym for ST_GeomFromWKB | |
GeomFromText | Synonym for ST_GeomFromText | |
GeomFromWKB | Synonym for ST_GeomFromWKB | |
GeometryN | Synonym for ST_GeometryN | |
GEOMETRYCOLLECTION | Constructs a WKB GeometryCollection | |
GeometryType | Synonym for ST_GeometryType | |
GET_FORMAT | Returns a format string | |
GET_LOCK | Obtain LOCK | |
GLENGTH | Length of a LineString value | |
GREATEST | Returns the largest argument | |
GROUP_CONCAT | Returns string with concatenated values from a group | |
HEX | Returns hexadecimal value | |
HOUR | Returns the hour | |
IF | If expr1 is TRUE, returns expr2; otherwise returns expr3 | |
IFNULL | Check whether an expression is NULL | |
IN | True if expression equals any of the values in the list | |
INTERVAL | Index of the argument that is less than the first argument | |
INET6_ATON | Given an IPv6 or IPv4 network address, returns a VARBINARY numeric value | |
INET6_NTOA | Given an IPv6 or IPv4 network address, returns the address as a nonbinary string | |
INET_ATON | Returns numeric value of IPv4 address | |
INET_NTOA | Returns dotted-quad representation of IPv4 address | |
INSERT Function | Replaces a part of a string with another string | |
INSTR | Returns the position of a string withing a string | |
InteriorRingN | Synonym for ST_InteriorRingN | |
INTERSECTS | Indicates whether two geometries spatially intersect | |
IS | Tests whether a boolean is TRUE, FALSE, or UNKNOWN | |
IsClosed | Synonym for ST_IsClosed | |
IsEmpty | Synonym for ST_IsEmpty | |
IS_FREE_LOCK | Checks whether lock is free to use | |
IS_IPV4 | Whether or not an expression is a valid IPv4 address | |
IS_IPV4_COMPAT | Whether or not an IPv6 address is IPv4-compatible | |
IS_IPV4_MAPPED | Whether an IPv6 address is a valid IPv4-mapped address | |
IS_IPV6 | Whether or not an expression is a valid IPv6 address | |
IS NOT | Tests whether a boolean value is not TRUE, FALSE, or UNKNOWN | |
IS NOT NULL | Tests whether a value is not NULL | |
IS NULL | Tests whether a value is NULL | |
ISNULL | Checks if an expression is NULL | |
IsRing | Synonym for ST_IsRing | |
IsSimple | Synonym for ST_IsSimple | |
IS_USED_LOCK | Check if lock is in use | |
JSON_ARRAY | Returns a JSON array containing the listed values | |
JSON_ARRAY_INTERSECT | MariaDB 11.2.0 | |
JSON_ARRAY_APPEND | Appends values to the end of the given arrays within a JSON document | |
JSON_ARRAY_INSERT | Inserts a value into a JSON document | |
JSON_COMPACT | Removes all unnecessary spaces so the json document is as short as possible | |
JSON_CONTAINS | Whether a value is found in a given JSON document or at a specified path within the document | |
JSON_CONTAINS_PATH | Indicates whether the given JSON document contains data at the specified path or paths | |
JSON_DEPTH | Maximum depth of a JSON document | |
JSON_DETAILED | Represents JSON in the most understandable way emphasizing nested structures | |
JSON_EQUALS | Check for equality between JSON objects. | |
JSON_EXISTS | Determines whether a specified JSON value exists in the given data | |
JSON_EXTRACT | Extracts data from a JSON document. | |
JSON_INSERT | Inserts data into a JSON document | |
JSON_KEYS | Returns keys from top-level value of a JSON object or top-level keys from the path | |
JSON_LENGTH | Returns the length of a JSON document, or the length of a value within the document | |
JSON_LOOSE | Adds spaces to a JSON document to make it look more readable | |
JSON_MERGE | Merges the given JSON documents | |
JSON_MERGE_PATCH | RFC 7396-compliant merge of the given JSON documents | |
JSON_MERGE_PRESERVE | Synonym for JSON_MERGE_PATCH. | |
JSON_NORMALIZE | Recursively sorts keys and removes spaces, allowing comparison of json documents for equality | |
JSON_OBJECT | Returns a JSON object containing the given key/value pairs | |
JSON_OBJECT_FILTER_KEYS | MariaDB 11.2.0 | |
JSON_OBJECT_TO_ARRAY | MariaDB 11.2.0 | |
JSON_OBJECTAGG | Returns a JSON object containing key-value pairs | |
JSON_OVERLAPS | Compares two json documents for overlaps | |
JSON_PRETTY | Alias for json_detailed | MariaDB 10.10.3, MariaDB 10.9.5, MariaDB 10.8.7, MariaDB 10.7.8, MariaDB 10.6.12, MariaDB 10.5.19 and MariaDB 10.4.28 |
JSON_QUERY | Given a JSON document, returns an object or array specified by the path | |
JSON_QUOTE | Quotes a string as a JSON value | |
JSON_REMOVE | Removes data from a JSON document | |
JSON_REPLACE | Replaces existing values in a JSON document | |
JSON_SCHEMA_VALID | Validates a JSON schema | MariaDB 11.1.0 |
JSON_SEARCH | Returns the path to the given string within a JSON document | |
JSON_SET | Updates or inserts data into a JSON document | |
JSON_TABLE | Returns a representation of a JSON document as a relational table | |
JSON_TYPE | Returns the type of a JSON value | |
JSON_UNQUOTE | Unquotes a JSON value, returning a string | |
JSON_VALID | Whether a value is a valid JSON document or not | |
JSON_VALUE | Given a JSON document, returns the specified scalar | |
KDF | Key derivation function | MariaDB 11.3.0 |
LAST_DAY | Returns the last day of the month | |
LAST_INSERT_ID | Last inserted autoinc value | |
LAST_VALUE | Returns the last value in a list | |
LASTVAL | Get last value generated from a sequence | |
LCASE | Synonym for [LOWER() | |
LEAST | Returns the smallest argument | |
LEFT | Returns the leftmost characters from a string | |
LENGTH | Length of the string in bytes | |
LIKE | Whether expression matches a pattern | |
LineFromText | Synonym for ST_LineFromText | |
LineFromWKB | Synonym for ST_LineFromWKB | |
LINESTRING | Constructs a WKB LineString value from a number of WKB Point arguments | |
LineStringFromText | Synonym for ST_LineFromText | |
LineStringFromWKB | Synonym for ST_LineFromWKB | |
LN | Returns natural logarithm | |
LOAD_FILE | Returns file contents as a string | |
LOCALTIME | Synonym for NOW() | |
LOCALTIMESTAMP | Synonym for NOW() | |
LOCATE | Returns the position of a substring in a string | |
LOG | Returns the natural logarithm | |
LOG10 | Returns the base-10 logarithm | |
LOG2 | Returns the base-2 logarithm | |
LOWER | Returns a string with all characters changed to lowercase | |
LPAD | Returns the string left-padded with another string to a given length | |
LTRIM | Returns the string with leading space characters removed | |
MAKE_SET | Make a set of strings that matches a bitmask | |
MAKEDATE | Returns a date given a year and day | |
MAKETIME | Returns a time | |
MASTER_GTID_WAIT | Wait until slave reaches the GTID position | |
MASTER_POS_WAIT | Blocks until the slave has applied all specified updates | |
MATCH AGAINST | Perform a fulltext search on a fulltext index | |
MAX | Returns the maximum value | |
MBRContains | Indicates one Minimum Bounding Rectangle contains another | |
MBRDisjoint | Indicates whether the Minimum Bounding Rectangles of two geometries are disjoint | |
MBREqual | Whether the Minimum Bounding Rectangles of two geometries are the same. | |
MBRIntersects | Indicates whether the Minimum Bounding Rectangles of the two geometries intersect | |
MBROverlaps | Whether the Minimum Bounding Rectangles of two geometries overlap | |
MBRTouches | Whether the Minimum Bounding Rectangles of two geometries touch. | |
MBRWithin | Indicates whether one Minimum Bounding Rectangle is within another | |
MD5 | MD5 checksum | |
MEDIAN | Window function that returns the median value of a range of values | |
MICROSECOND | Returns microseconds from a date or datetime | |
MID | Synonym for SUBSTRING(str,pos,len) | |
MIN | Returns the minimum value | |
MINUTE | Returns a minute from 0 to 59 | |
MLineFromText | Constructs MULTILINESTRING using its WKT representation and SRID | |
MLineFromWKB | Constructs a MULTILINESTRING | |
MOD | Modulo operation. Remainder of N divided by M | |
MONTH | Returns a month from 1 to 12 | |
MONTHNAME | Returns the full name of the month | |
MPointFromText | Constructs a MULTIPOINT value using its WKT and SRID | |
MPointFromWKB | Constructs a MULTIPOINT value using its WKB representation and SRID | |
MPolyFromText | Constructs a MULTIPOLYGON value | |
MPolyFromWKB | Constructs a MULTIPOLYGON value using its WKB representation and SRID | |
MultiLineStringFromText | Synonym for MLineFromText | |
MultiLineStringFromWKB | A synonym for MLineFromWKB | |
MULTIPOINT | Constructs a WKB MultiPoint value | |
MultiPointFromText | Synonym for MPointFromText | |
MultiPointFromWKB | Synonym for MPointFromWKB | |
MULTIPOLYGON | Constructs a WKB MultiPolygon | |
MultiPolygonFromText | Synonym for MPolyFromText | |
MultiPolygonFromWKB | Synonym for MPolyFromWKB | |
MULTILINESTRING | Constructs a MultiLineString value | |
NAME_CONST | Returns the given value | |
NATURAL_SORT_KEY | Sorting that is more more similar to natural human sorting | |
NOT LIKE | Same as NOT(expr LIKE pat [ESCAPE 'escape_char']) | |
NOT REGEXP | Same as NOT (expr REGEXP pat) | |
NULLIF | Returns NULL if expr1 = expr2 | |
NEXTVAL | Generate next value for sequence | |
NOT BETWEEN | Same as NOT (expr BETWEEN min AND max) | |
NOT IN | Same as NOT (expr IN (value,...)) | |
NOW | Returns the current date and time | |
NTILE | Returns an integer indicating which group a given row falls into | |
NumGeometries | Synonym for ST_NumGeometries | |
NumInteriorRings | Synonym for NumInteriorRings | |
NumPoints | Synonym for ST_NumPoints | |
OCT | Returns octal value | |
OCTET_LENGTH | Synonym for LENGTH() | |
OLD_PASSWORD | Pre MySQL 4.1 password implementation | |
ORD | Return ASCII or character code | |
OVERLAPS | Indicates whether two elements spatially overlap | |
PASSWORD | Calculates a password string | |
PERCENT_RANK | Window function that returns the relative percent rank of a given row | |
PERCENTILE_CONT | Returns a value which corresponds to the given fraction in the sort order. | |
PERCENTILE_DISC | Returns the first value in the set whose ordered position is the same or more than the specified fraction. | |
PERIOD_ADD | Add months to a period | |
PERIOD_DIFF | Number of months between two periods | |
PI | Returns the value of π (pi) | |
POINT | Constructs a WKB Point | |
PointFromText | Synonym for ST_PointFromText | |
PointFromWKB | Synonym for PointFromWKB | |
PointN | Synonym for PointN | |
PointOnSurface | Synonym for ST_PointOnSurface | |
POLYGON | Constructs a WKB Polygon value from a number of WKB LineString arguments | |
PolyFromText | Synonym for ST_PolyFromText | |
PolyFromWKB | Synonym for ST_PolyFromWKB | |
PolygonFromText | Synonym for ST_PolyFromText | |
PolygonFromWKB | Synonym for ST_PolyFromWKB | |
POSITION | Returns the position of a substring in a string | |
POW | Returns X raised to the power of Y | |
POWER | Synonym for POW() | |
QUARTER | Returns year quarter from 1 to 4 | |
QUOTE | Returns quoted, properly escaped string | |
RADIANS | Converts from degrees to radians | |
RAND | Random floating-point value | |
RANK | Rank of a given row with identical values receiving the same result | |
REGEXP | Performs pattern matching | |
REGEXP_INSTR | Position of the first appearance of a regex | |
REGEXP_REPLACE | Replaces all occurrences of a pattern | |
REGEXP_SUBSTR | Returns the matching part of a string | |
RELEASE_LOCK | Releases lock obtained with GET_LOCK() | |
REPEAT Function | Returns a string repeated a number of times | |
REPLACE Function | Replace occurrences of a string | |
REVERSE | Reverses the order of a string | |
RIGHT | Returns the rightmost N characters from a string | |
RLIKE | Synonym for REGEXP() | |
RPAD | Returns the string right-padded with another string to a given length | |
ROUND | Rounds a number | |
ROW_COUNT | Number of rows affected by previous statement | |
ROW_NUMBER | Row number of a given row with identical values receiving a different result | |
RTRIM | Returns the string with trailing space characters removed | |
SCHEMA | Synonym for DATABASE() | |
SECOND | Returns the second of a time | |
SEC_TO_TIME | Converts a second to a time | |
SETVAL | Set the next value to be returned by a sequence | |
SESSION_USER | Synonym for USER() | |
SHA | Synonym for SHA1() | |
SHA1 | Calculates an SHA-1 checksum | |
SHA2 | Calculates an SHA-2 checksum | |
SIGN | Returns 1, 0 or -1 | |
SIN | Returns the sine | |
SLEEP | Pauses for the given number of seconds | |
SOUNDEX | Returns a string based on how the string sounds | |
SOUNDS LIKE | SOUNDEX(expr1) = SOUNDEX(expr2) | |
SPACE | Returns a string of space characters | |
SPIDER_BG_DIRECT_SQL | Background SQL execution | |
SPIDER_COPY_TABLES | Copy table data | |
SPIDER_DIRECT_SQL | Execute SQL on the remote server | |
SPIDER_FLUSH_TABLE_MON_CACHE | Refreshing Spider monitoring server information | |
SQRT | Square root | |
SRID | Synonym for ST_SRID | |
ST_AREA | Area of a Polygon | |
ST_AsBinary | Converts a value to its WKB representation | |
ST_AsText | Converts a value to its WKT-Definition | |
ST_AsWKB | Synonym for ST_AsBinary | |
ST_ASWKT | Synonym for ST_ASTEXT() | |
ST_BOUNDARY | Returns a geometry that is the closure of a combinatorial boundary | |
ST_BUFFER | A new geometry with a buffer added to the original geometry | |
ST_CENTROID | The mathematical centroid (geometric center) for a MultiPolygon | |
ST_CONTAINS | Whether one geometry is contained by another | |
ST_CONVEXHULL | The minimum convex geometry enclosing all geometries within the set | |
ST_CROSSES | Whether two geometries spatially cross | |
ST_DIFFERENCE | Point set difference | |
ST_DIMENSION | Inherent dimension of a geometry value | |
ST_DISJOINT | Whether one geometry is spatially disjoint from another | |
ST_DISTANCE | The distance between two geometries | |
ST_DISTANCE_SPHERE | The spherical distance between two geometries | |
ST_ENDPOINT | Returns the endpoint of a LineString | |
ST_ENVELOPE | Returns the Minimum Bounding Rectangle for a geometry value | |
ST_EQUALS | Whether two geometries are spatoially equal | |
ST_ExteriorRing | Returns the exterior ring of a Polygon as a LineString | |
ST_GeomCollFromText | Constructs a GEOMETRYCOLLECTION value | |
ST_GeomCollFromWKB | Constructs a GEOMETRYCOLLECTION value from a WKB | |
ST_GeometryCollectionFromText | Synonym for ST_GeomCollFromText | |
ST_GeometryCollectionFromWKB | Synonym for ST_GeomCollFromWKB | |
ST_GeometryFromText | Synonym for ST_GeomFromText | |
ST_GeometryFromWKB | Synonym for ST_GeomFromWKB | |
ST_GEOMETRYN | Returns the N-th geometry in a GeometryCollection | |
ST_GEOMETRYTYPE | Returns name of the geometry type of which a given geometry instance is a member | |
ST_GeomFromText | Constructs a geometry value using its WKT and SRID | |
ST_GeomFromWKB | Constructs a geometry value using its WKB representation and SRID | |
ST_InteriorRingN | Returns the N-th interior ring for a Polygon | |
ST_INTERSECTION | The intersection, or shared portion, of two geometries | |
ST_INTERSECTS | Whether two geometries spatially intersect | |
ST_ISCLOSED | Returns true if a given LINESTRING's start and end points are the same | |
ST_ISEMPTY | Indicated validity of geometry value | |
ST_IsRing | Returns true if a given LINESTRING is both ST_IsClosed and ST_IsSimple | |
ST_IsSimple | Returns true if the given Geometry has no anomalous geometric points | |
ST_LENGTH | Length of a LineString value | |
ST_LineFromText | Creates a linestring value | |
ST_LineFromWKB | Constructs a LINESTRING using its WKB and SRID | |
ST_LineStringFromText | Synonym for ST_LineFromText | |
ST_LineStringFromWKB | Synonym for ST_LineFromWKB | |
ST_NUMGEOMETRIES | Number of geometries in a GeometryCollection | |
ST_NumInteriorRings | Number of interior rings in a Polygon | |
ST_NUMPOINTS | Returns the number of Point objects in a LineString | |
ST_OVERLAPS | Whether two geometries overlap | |
ST_PointFromText | Constructs a POINT value | |
ST_PointFromWKB | Constructs POINT using its WKB and SRID | |
ST_POINTN | Returns the N-th Point in the LineString | |
ST_POINTONSURFACE | Returns a POINT guaranteed to intersect a surface | |
ST_PolyFromText | Constructs a POLYGON value | |
ST_PolyFromWKB | Constructs POLYGON value using its WKB representation and SRID | |
ST_PolygonFromText | Synonym for ST_PolyFromText | |
ST_PolygonFromWKB | Synonym for ST_PolyFromWKB | |
ST_RELATE | Returns true if two geometries are related | |
ST_SRID | Returns a Spatial Reference System ID | |
ST_STARTPOINT | Returns the start point of a LineString | |
ST_SYMDIFFERENCE | Portions of two geometries that don't intersect | |
ST_TOUCHES | Whether one geometry g1 spatially touches another | |
ST_UNION | Union of two geometries | |
ST_WITHIN | Whether one geometry is within another | |
ST_X | X-coordinate value for a point | |
ST_Y | Y-coordinate for a point | |
STARTPOINT | Synonym for ST_StartPoint | |
STD | Population standard deviation | |
STDDEV | Population standard deviation | |
STDDEV_POP | Returns the population standard deviation | |
STDDEV_SAMP | Standard deviation | |
STR_TO_DATE | Converts a string to date | |
STRCMP | Compares two strings in sort order | |
SUBDATE | Subtract a date unit or number of days | |
SUBSTR | Returns a substring from string starting at a given position | |
SUBSTRING | Returns a substring from string starting at a given position | |
SUBSTRING_INDEX | Returns the substring from string before count occurrences of a delimiter | |
SUBTIME | Subtracts a time from a date/time | |
SUM | Sum total | |
SYS.EXTRACT_SCHEMA_FROM_FILE_NAME | Given a file path, returns the schema (database) name | MariaDB 10.6 |
SYS.EXTRACT_TABLE_FROM_FILE_NAME | Given a file path, returns the table name | MariaDB 10.6 |
SYS.FORMAT_BYTES | Returns a string consisting of a value and the units in a human-readable format | MariaDB 10.6 |
SYS.FORMAT_PATH | Returns a modified path after replacing subpaths matching the values of various system variables with the variable name | MariaDB 10.6 |
SYS.FORMAT_STATEMENT | Returns a reduced length string | MariaDB 10.6 |
SYS.FORMAT_TIME | Returns a human-readable time value and unit indicator | MariaDB 10.6 |
SYS.LIST_ADD | Adds a value to a given list | MariaDB 10.6 |
SYS.LIST_DROP | Drops a value from a given list | MariaDB 10.6 |
SYS.PS_IS_ACCOUNT_ENABLED | Whether Performance Schema instrumentation for the given account is enabled | MariaDB 10.6 |
SYS.PS_IS_CONSUMER_ENABLED | Whether Performance Schema instrumentation for the given consumer is enabled | MariaDB 10.6 |
SYS.PS_IS_INSTRUMENT_DEFAULT_ENABLED | Whether a given Performance Schema instrument is enabled by default | MariaDB 10.6 |
SYS.PS_IS_INSTRUMENT_DEFAULT_TIMED | Returns whether a given Performance Schema instrument is timed by default | MariaDB 10.6 |
SYS.PS_IS_THREAD_INSTRUMENTED | Returns whether or not Performance Schema instrumentation for the given connection_id is enabled | MariaDB 10.6 |
SYS.PS_THREAD_ACCOUNT | Returns the account (username@hostname) associated with the given thread_id | MariaDB 10.6 |
SYS.PS_THREAD_ID | Returns the thread_id associated with the given connection_id | MariaDB 10.6 |
SYS.PS_THREAD_STACK | Returns all statements, stages, and events within the Performance Schema for a given thread_id | MariaDB 10.6 |
SYS.PS_THREAD_TRX_INFO | Returns a JSON object with information about the thread specified by the given thread_id | MariaDB 10.6 |
SYS.QUOTE_IDENTIFIER | Quotes a string to produce a result that can be used as an identifier in an SQL statement | MariaDB 10.6 |
SYS.SYS_GET_CONFIG | Returns a configuration option value from the sys_config table | MariaDB 10.6 |
SYS.VERSION_MAJOR | Returns the MariaDB Server major release version | MariaDB 10.6 |
SYS.VERSION_MINOR | Returns the MariaDB Server minor release version | MariaDB 10.6 |
SYS.VERSION_PATCH | Returns the MariaDB Server patch release version | MariaDB 10.6 |
SYS_GUID | Generates a globally unique identifier | |
SYSDATE | Returns the current date and time | |
SYSTEM_USER | Synonym for USER() | |
TAN | Returns the tangent | |
TIME function | Extracts the time | |
TIMEDIFF | Returns the difference between two date/times | |
TIMESTAMP FUNCTION | Return the datetime, or add a time to a date/time | |
TIMESTAMPADD | Add interval to a date or datetime | |
TIMESTAMPDIFF | Difference between two datetimes | |
TIME_FORMAT | Formats the time value according to the format string | |
TIME_TO_SEC | Returns the time argument, converted to seconds | |
TO_BASE64 | Converts a string to its base-64 encoded form | |
TO_CHAR | Converts a date/time type to a char | |
TO_DAYS | Number of days since year 0 | |
TO_SECONDS | Number of seconds since year 0 | |
TOUCHES | Whether two geometries spatially touch | |
TRIM | Returns a string with all given prefixes or suffixes removed | |
TRUNCATE | Truncates X to D decimal places | |
UCASE | Synonym for UPPER]]() | |
UNHEX | Interprets pairs of hex digits as a number and converts to the character represented by the number | |
UNCOMPRESS | Uncompresses string compressed with COMPRESS() | |
UNCOMPRESSED_LENGTH | Returns length of a string before being compressed with COMPRESS() | |
UNIX_TIMESTAMP | Returns a Unix timestamp | |
UPDATEXML | Replace XML | |
UPPER | Changes string to uppercase | |
USER | Current user/host | |
UTC_DATE | Returns the current UTC date | |
UTC_TIME | Returns the current UTC time | |
UTC_TIMESTAMP | Returns the current UTC date and time | |
UUID | Returns a Universal Unique Identifier | |
UUID_SHORT | Return short universal identifier | |
VALUES or VALUE | Refer to columns in INSERT ... ON DUPLICATE KEY UPDATE | |
VAR_POP | Population standard variance | |
VAR_SAMP | Returns the sample variance | |
VARIANCE | Population standard variance | |
VEC_DISTANCE | Calculates a Euclidean (L2) distance between two points. | MariaDB 11.6.0 Vector |
VEC_FromText | Converts a text representation of the vector to a vector. | MariaDB 11.6.0 Vector |
VERSION | MariaDB server version | |
WEEK | Returns the week number | |
WEEKDAY | Returns the weekday index | |
WEEKOFYEAR | Returns the calendar week of the date as a number in the range from 1 to 53 | |
WEIGHT_STRING | Weight of the input string | |
WITHIN | Indicate whether a geographic element is spacially within another | |
WSREP_LAST_SEEN_GTID | Returns the Global Transaction ID of the most recent write transaction observed by the client. | |
WSREP_LAST_WRITTEN_GTID | Returns the Global Transaction ID of the most recent write transaction performed by the client. | |
WSREP_SYNC_WAIT_UPTO_GTID | Blocks the client until the transaction specified by the given Global Transaction ID is applied and committed by the node | |
X | Synonym for ST_X | |
Y | Synonym for ST_Y | |
YEAR | Returns the year for the given date | |
YEARWEEK | Returns year and week for a date |
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