Function and Operator Reference
| 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_ARRAYAGG | Returns a JSON array containing an element for each value in a given set of JSON or SQL values. | MariaDB 10.5 |
| 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. | MariaDB 10.7 |
| 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_KEY_VALUE | Extracts key/value pairs from a JSON object | MariaDB 11.2 |
| 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 | MariaDB 10.9 |
| 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 | MariaDB 10.6 |
| 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 | Whether one Minimum Bounding Rectangle contains another. | |
| MBRCoveredBy | Whether one Minimum Bounding Rectangle is covered by another. | MariaDB 11.7 |
| MBRDisjoint | 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_Collect | Returns the aggregation of the distinct geometry arguments | MariaDB 11.7 |
| 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_GeoHash | Returns a geohash. | MariaDB 11.7 |
| 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_IsValid | Returns 1 if the argument is geometrically valid, 0 if not. | MariaDB 11.7 |
| ST_LatFromGeoHash | Returns a latitude from the given geohash. | MariaDB 11.7 |
| ST_LongFromGeoHash | Returns a longitude from the given geohash. | MariaDB 11.7 |
| 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_Simplify | Applies the Ramer–Douglas–Peucker algorithm to provide generalized simplifications. | MariaDB 11.7 |
| 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_Validate | Whether a geometry is compliant with the WKB format and SRID syntax, and is geometrically valid. | MariaDB 11.7 |
| 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 v1 | |
| UUIDv4 | Returns a Universal Unique Identifier v4 | MariaDB 11.7 |
| UUIDv7 | Returns a Universal Unique Identifier v7 | MariaDB 11.7 |
| 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 |
| VEC_ToText | Converts a binary vector into a json array of numbers (floats). | 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 |
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.
