12.1 Built-In Function and Operator Reference
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 12.2, “Loadable Function Reference”.
Table 12.1 Built-In Functions and Operators
| Name | Description | Introduced | Deprecated |
|---|---|---|---|
& | Bitwise AND | ||
> | Greater than operator | ||
>> | Right shift | ||
>= | Greater than or equal operator | ||
< | Less than operator | ||
<>, != | Not equal operator | ||
<< | Left shift | ||
<= | Less than or equal operator | ||
<=> | NULL-safe equal to operator | ||
%, MOD | Modulo operator | ||
* | Multiplication operator | ||
+ | Addition operator | ||
- | Minus operator | ||
- | Change the sign of the argument | ||
-> | Return value from JSON column after evaluating path; equivalent to JSON_EXTRACT(). | ||
->> | Return value from JSON column after evaluating path and unquoting the result; equivalent to JSON_UNQUOTE(JSON_EXTRACT()). | 5.7.13 | |
/ | Division operator | ||
:= | Assign a value | ||
= | Assign a value (as part of a SET statement, or as part of the SET clause in an UPDATE statement) | ||
= | Equal operator | ||
^ | Bitwise XOR | ||
ABS() | Return the absolute value | ||
ACOS() | Return the arc cosine | ||
ADDDATE() | Add time values (intervals) to a date value | ||
ADDTIME() | Add time | ||
AES_DECRYPT() | Decrypt using AES | ||
AES_ENCRYPT() | Encrypt using AES | ||
AND, && | Logical AND | ||
ANY_VALUE() | Suppress ONLY_FULL_GROUP_BY value rejection | ||
Area() | Return Polygon or MultiPolygon area | Yes | |
AsBinary(), AsWKB() | Convert from internal geometry format to WKB | Yes | |
ASCII() | Return numeric value of left-most character | ||
ASIN() | Return the arc sine | ||
AsText(), AsWKT() | Convert from internal geometry format to WKT | Yes | |
ATAN() | Return the arc tangent | ||
ATAN2(), ATAN() | Return the arc tangent of the two arguments | ||
AVG() | Return the average value of the argument | ||
BENCHMARK() | Repeatedly execute an expression | ||
BETWEEN ... AND ... | Whether a value is within a range of values | ||
BIN() | Return a string containing binary representation of a number | ||
BINARY | Cast a string to a binary string | ||
BIT_AND() | Return bitwise AND | ||
BIT_COUNT() | Return the number of bits that are set | ||
BIT_LENGTH() | Return length of argument in bits | ||
BIT_OR() | Return bitwise OR | ||
BIT_XOR() | Return bitwise XOR | ||
Buffer() | Return geometry of points within given distance from geometry | Yes | |
CASE | Case operator | ||
CAST() | Cast a value as a certain type | ||
CEIL() | Return the smallest integer value not less than the argument | ||
CEILING() | Return the smallest integer value not less than the argument | ||
Centroid() | Return centroid as a point | Yes | |
CHAR() | Return the character for each integer passed | ||
CHAR_LENGTH() | Return number of characters in argument | ||
CHARACTER_LENGTH() | Synonym for CHAR_LENGTH() | ||
CHARSET() | Return the character set of the argument | ||
COALESCE() | Return the first non-NULL argument | ||
COERCIBILITY() | Return the collation coercibility value of the string argument | ||
COLLATION() | Return the collation of the string argument | ||
COMPRESS() | Return result as a binary string | ||
CONCAT() | Return concatenated string | ||
CONCAT_WS() | Return concatenate with separator | ||
CONNECTION_ID() | Return the connection ID (thread ID) for the connection | ||
Contains() | Whether MBR of one geometry contains MBR of another | Yes | |
CONV() | Convert numbers between different number bases | ||
CONVERT() | Cast a value as a certain type | ||
CONVERT_TZ() | Convert from one time zone to another | ||
ConvexHull() | Return convex hull of geometry | Yes | |
COS() | Return the cosine | ||
COT() | Return the cotangent | ||
COUNT() | Return a count of the number of rows returned | ||
COUNT(DISTINCT) | Return the count of a number of different values | ||
CRC32() | Compute a cyclic redundancy check value | ||
Crosses() | Whether one geometry crosses another | Yes | |
CURDATE() | Return the current date | ||
CURRENT_DATE(), CURRENT_DATE | Synonyms for CURDATE() | ||
CURRENT_TIME(), CURRENT_TIME | Synonyms for CURTIME() | ||
CURRENT_TIMESTAMP(), CURRENT_TIMESTAMP | Synonyms for NOW() | ||
CURRENT_USER(), CURRENT_USER | The authenticated user name and host name | ||
CURTIME() | Return the current time | ||
DATABASE() | Return the default (current) database name | ||
DATE() | Extract the date part of a date or datetime expression | ||
DATE_ADD() | Add time values (intervals) to a date value | ||
DATE_FORMAT() | Format date as specified | ||
DATE_SUB() | Subtract a time value (interval) from a date | ||
DATEDIFF() | Subtract two dates | ||
DAY() | Synonym for DAYOFMONTH() | ||
DAYNAME() | Return the name of the weekday | ||
DAYOFMONTH() | Return the day of the month (0-31) | ||
DAYOFWEEK() | Return the weekday index of the argument | ||
DAYOFYEAR() | Return the day of the year (1-366) | ||
DECODE() | Decode a string encrypted using ENCODE() | Yes | |
DEFAULT() | Return the default value for a table column | ||
DEGREES() | Convert radians to degrees | ||
DES_DECRYPT() | Decrypt a string | Yes | |
DES_ENCRYPT() | Encrypt a string | Yes | |
Dimension() | Dimension of geometry | Yes | |
Disjoint() | Whether MBRs of two geometries are disjoint | Yes | |
DIV | Integer division | ||
ELT() | Return string at index number | ||
ENCODE() | Encode a string | Yes | |
ENCRYPT() | Encrypt a string | Yes | |
EndPoint() | End Point of LineString | Yes | |
Envelope() | Return MBR of geometry | Yes | |
Equals() | Whether MBRs of two geometries are equal | Yes | |
EXISTS() | Whether the result of a query contains any rows | ||
EXP() | Raise to the power of | ||
EXPORT_SET() | Return a string such that for every bit set in the value bits, you get an on string and for every unset bit, you get an off string | ||
ExteriorRing() | Return exterior ring of Polygon | Yes | |
EXTRACT() | Extract part of a date | ||
ExtractValue() | Extract a value from an XML string using XPath notation | ||
FIELD() | Index (position) of first argument in subsequent arguments | ||
FIND_IN_SET() | Index (position) of first argument within second argument | ||
FLOOR() | Return the largest integer value not greater than the argument | ||
FORMAT() | Return a number formatted to specified number of decimal places | ||
FOUND_ROWS() | For a SELECT with a LIMIT clause, the number of rows that would be returned were there no LIMIT clause | ||
FROM_BASE64() | Decode base64 encoded string and return result | ||
FROM_DAYS() | Convert a day number to a date | ||
FROM_UNIXTIME() | Format Unix timestamp as a date | ||
GeomCollFromText(), GeometryCollectionFromText() | Return geometry collection from WKT | Yes | |
GeomCollFromWKB(), GeometryCollectionFromWKB() | Return geometry collection from WKB | Yes | |
GeometryCollection() | Construct geometry collection from geometries | ||
GeometryN() | Return N-th geometry from geometry collection | Yes | |
GeometryType() | Return name of geometry type | Yes | |
GeomFromText(), GeometryFromText() | Return geometry from WKT | Yes | |
GeomFromWKB(), GeometryFromWKB() | Return geometry from WKB | Yes | |
GET_FORMAT() | Return a date format string | ||
GET_LOCK() | Get a named lock | ||
GLength() | Return length of LineString | Yes | |
GREATEST() | Return the largest argument | ||
GROUP_CONCAT() | Return a concatenated string | ||
GTID_SUBSET() | Return true if all GTIDs in subset are also in set; otherwise false. | ||
GTID_SUBTRACT() | Return all GTIDs in set that are not in subset. | ||
HEX() | Hexadecimal representation of decimal or string value | ||
HOUR() | Extract the hour | ||
IF() | If/else construct | ||
IFNULL() | Null if/else construct | ||
IN() | Whether a value is within a set of values | ||
INET_ATON() | Return the numeric value of an IP address | ||
INET_NTOA() | Return the IP address from a numeric value | ||
INET6_ATON() | Return the numeric value of an IPv6 address | ||
INET6_NTOA() | Return the IPv6 address from a numeric value | ||
INSERT() | Insert substring at specified position up to specified number of characters | ||
INSTR() | Return the index of the first occurrence of substring | ||
InteriorRingN() | Return N-th interior ring of Polygon | Yes | |
Intersects() | Whether MBRs of two geometries intersect | Yes | |
INTERVAL() | Return the index of the argument that is less than the first argument | ||
IS | Test a value against a boolean | ||
IS_FREE_LOCK() | Whether the named lock is free | ||
IS_IPV4() | Whether argument is an IPv4 address | ||
IS_IPV4_COMPAT() | Whether argument is an IPv4-compatible address | ||
IS_IPV4_MAPPED() | Whether argument is an IPv4-mapped address | ||
IS_IPV6() | Whether argument is an IPv6 address | ||
IS NOT | Test a value against a boolean | ||
IS NOT NULL | NOT NULL value test | ||
IS NULL | NULL value test | ||
IS_USED_LOCK() | Whether the named lock is in use; return connection identifier if true | ||
IsClosed() | Whether a geometry is closed and simple | Yes | |
IsEmpty() | Whether a geometry is empty | Yes | |
ISNULL() | Test whether the argument is NULL | ||
IsSimple() | Whether a geometry is simple | Yes | |
JSON_APPEND() | Append data to JSON document | Yes | |
JSON_ARRAY() | Create JSON array | ||
JSON_ARRAY_APPEND() | Append data to JSON document | ||
JSON_ARRAY_INSERT() | Insert into JSON array | ||
JSON_ARRAYAGG() | Return result set as a single JSON array | 5.7.22 | |
JSON_CONTAINS() | Whether JSON document contains specific object at path | ||
JSON_CONTAINS_PATH() | Whether JSON document contains any data at path | ||
JSON_DEPTH() | Maximum depth of JSON document | ||
JSON_EXTRACT() | Return data from JSON document | ||
JSON_INSERT() | Insert data into JSON document | ||
JSON_KEYS() | Array of keys from JSON document | ||
JSON_LENGTH() | Number of elements in JSON document | ||
JSON_MERGE() | Merge JSON documents, preserving duplicate keys. Deprecated synonym for JSON_MERGE_PRESERVE() | 5.7.22 | |
JSON_MERGE_PATCH() | Merge JSON documents, replacing values of duplicate keys | 5.7.22 | |
JSON_MERGE_PRESERVE() | Merge JSON documents, preserving duplicate keys | 5.7.22 | |
JSON_OBJECT() | Create JSON object | ||
JSON_OBJECTAGG() | Return result set as a single JSON object | 5.7.22 | |
JSON_PRETTY() | Print a JSON document in human-readable format | 5.7.22 | |
JSON_QUOTE() | Quote JSON document | ||
JSON_REMOVE() | Remove data from JSON document | ||
JSON_REPLACE() | Replace values in JSON document | ||
JSON_SEARCH() | Path to value within JSON document | ||
JSON_SET() | Insert data into JSON document | ||
JSON_STORAGE_SIZE() | Space used for storage of binary representation of a JSON document | 5.7.22 | |
JSON_TYPE() | Type of JSON value | ||
JSON_UNQUOTE() | Unquote JSON value | ||
JSON_VALID() | Whether JSON value is valid | ||
LAST_DAY | Return the last day of the month for the argument | ||
LAST_INSERT_ID() | Value of the AUTOINCREMENT column for the last INSERT | ||
LCASE() | Synonym for LOWER() | ||
LEAST() | Return the smallest argument | ||
LEFT() | Return the leftmost number of characters as specified | ||
LENGTH() | Return the length of a string in bytes | ||
LIKE | Simple pattern matching | ||
LineFromText(), LineStringFromText() | Construct LineString from WKT | Yes | |
LineFromWKB(), LineStringFromWKB() | Construct LineString from WKB | Yes | |
LineString() | Construct LineString from Point values | ||
LN() | Return the natural logarithm of the argument | ||
LOAD_FILE() | Load the named file | ||
LOCALTIME(), LOCALTIME | Synonym for NOW() | ||
LOCALTIMESTAMP, LOCALTIMESTAMP() | Synonym for NOW() | ||
LOCATE() | Return the position of the first occurrence of substring | ||
LOG() | Return the natural logarithm of the first argument | ||
LOG10() | Return the base-10 logarithm of the argument | ||
LOG2() | Return the base-2 logarithm of the argument | ||
LOWER() | Return the argument in lowercase | ||
LPAD() | Return the string argument, left-padded with the specified string | ||
LTRIM() | Remove leading spaces | ||
MAKE_SET() | Return a set of comma-separated strings that have the corresponding bit in bits set | ||
MAKEDATE() | Create a date from the year and day of year | ||
MAKETIME() | Create time from hour, minute, second | ||
MASTER_POS_WAIT() | Block until the replica has read and applied all updates up to the specified position | ||
MATCH() | Perform full-text search | ||
MAX() | Return the maximum value | ||
MBRContains() | Whether MBR of one geometry contains MBR of another | ||
MBRCoveredBy() | Whether one MBR is covered by another | ||
MBRCovers() | Whether one MBR covers another | ||
MBRDisjoint() | Whether MBRs of two geometries are disjoint | ||
MBREqual() | Whether MBRs of two geometries are equal | Yes | |
MBREquals() | Whether MBRs of two geometries are equal | ||
MBRIntersects() | Whether MBRs of two geometries intersect | ||
MBROverlaps() | Whether MBRs of two geometries overlap | ||
MBRTouches() | Whether MBRs of two geometries touch | ||
MBRWithin() | Whether MBR of one geometry is within MBR of another | ||
MD5() | Calculate MD5 checksum | ||
MICROSECOND() | Return the microseconds from argument | ||
MID() | Return a substring starting from the specified position | ||
MIN() | Return the minimum value | ||
MINUTE() | Return the minute from the argument | ||
MLineFromText(), MultiLineStringFromText() | Construct MultiLineString from WKT | Yes | |
MLineFromWKB(), MultiLineStringFromWKB() | Construct MultiLineString from WKB | Yes | |
MOD() | Return the remainder | ||
MONTH() | Return the month from the date passed | ||
MONTHNAME() | Return the name of the month | ||
MPointFromText(), MultiPointFromText() | Construct MultiPoint from WKT | Yes | |
MPointFromWKB(), MultiPointFromWKB() | Construct MultiPoint from WKB | Yes | |
MPolyFromText(), MultiPolygonFromText() | Construct MultiPolygon from WKT | Yes | |
MPolyFromWKB(), MultiPolygonFromWKB() | Construct MultiPolygon from WKB | Yes | |
MultiLineString() | Contruct MultiLineString from LineString values | ||
MultiPoint() | Construct MultiPoint from Point values | ||
MultiPolygon() | Construct MultiPolygon from Polygon values | ||
NAME_CONST() | Cause the column to have the given name | ||
NOT, ! | Negates value | ||
NOT BETWEEN ... AND ... | Whether a value is not within a range of values | ||
NOT EXISTS() | Whether the result of a query contains no rows | ||
NOT IN() | Whether a value is not within a set of values | ||
NOT LIKE | Negation of simple pattern matching | ||
NOT REGEXP | Negation of REGEXP | ||
NOW() | Return the current date and time | ||
NULLIF() | Return NULL if expr1 = expr2 | ||
NumGeometries() | Return number of geometries in geometry collection | Yes | |
NumInteriorRings() | Return number of interior rings in Polygon | Yes | |
NumPoints() | Return number of points in LineString | Yes | |
OCT() | Return a string containing octal representation of a number | ||
OCTET_LENGTH() | Synonym for LENGTH() | ||
OR, || | Logical OR | ||
ORD() | Return character code for leftmost character of the argument | ||
Overlaps() | Whether MBRs of two geometries overlap | Yes | |
PASSWORD() | Calculate and return a password string | Yes | |
PERIOD_ADD() | Add a period to a year-month | ||
PERIOD_DIFF() | Return the number of months between periods | ||
PI() | Return the value of pi | ||
Point() | Construct Point from coordinates | ||
PointFromText() | Construct Point from WKT | Yes | |
PointFromWKB() | Construct Point from WKB | Yes | |
PointN() | Return N-th point from LineString | Yes | |
PolyFromText(), PolygonFromText() | Construct Polygon from WKT | Yes | |
PolyFromWKB(), PolygonFromWKB() | Construct Polygon from WKB | Yes | |
Polygon() | Construct Polygon from LineString arguments | ||
POSITION() | Synonym for LOCATE() | ||
POW() | Return the argument raised to the specified power | ||
POWER() | Return the argument raised to the specified power | ||
PROCEDURE ANALYSE() | Analyze the results of a query | 5.7.18 | |
QUARTER() | Return the quarter from a date argument | ||
QUOTE() | Escape the argument for use in an SQL statement | ||
RADIANS() | Return argument converted to radians | ||
RAND() | Return a random floating-point value | ||
RANDOM_BYTES() | Return a random byte vector | ||
REGEXP | Whether string matches regular expression | ||
RELEASE_ALL_LOCKS() | Release all current named locks | ||
RELEASE_LOCK() | Release the named lock | ||
REPEAT() | Repeat a string the specified number of times | ||
REPLACE() | Replace occurrences of a specified string | ||
REVERSE() | Reverse the characters in a string | ||
RIGHT() | Return the specified rightmost number of characters | ||
RLIKE | Whether string matches regular expression | ||
ROUND() | Round the argument | ||
ROW_COUNT() | The number of rows updated | ||
RPAD() | Append string the specified number of times | ||
RTRIM() | Remove trailing spaces | ||
SCHEMA() | Synonym for DATABASE() | ||
SEC_TO_TIME() | Converts seconds to 'hh:mm:ss' format | ||
SECOND() | Return the second (0-59) | ||
SESSION_USER() | Synonym for USER() | ||
SHA1(), SHA() | Calculate an SHA-1 160-bit checksum | ||
SHA2() | Calculate an SHA-2 checksum | ||
SIGN() | Return the sign of the argument | ||
SIN() | Return the sine of the argument | ||
SLEEP() | Sleep for a number of seconds | ||
SOUNDEX() | Return a soundex string | ||
SOUNDS LIKE | Compare sounds | ||
SPACE() | Return a string of the specified number of spaces | ||
Distance() | The distance of one geometry from another | Yes | |
SQRT() | Return the square root of the argument | ||
SRID() | Return spatial reference system ID for geometry | Yes | |
ST_Area() | Return Polygon or MultiPolygon area | ||
ST_AsBinary(), ST_AsWKB() | Convert from internal geometry format to WKB | ||
ST_AsGeoJSON() | Generate GeoJSON object from geometry | ||
ST_AsText(), ST_AsWKT() | Convert from internal geometry format to WKT | ||
ST_Buffer() | Return geometry of points within given distance from geometry | ||
ST_Buffer_Strategy() | Produce strategy option for ST_Buffer() | ||
ST_Centroid() | Return centroid as a point | ||
ST_Contains() | Whether one geometry contains another | ||
ST_ConvexHull() | Return convex hull of geometry | ||
ST_Crosses() | Whether one geometry crosses another | ||
ST_Difference() | Return point set difference of two geometries | ||
ST_Dimension() | Dimension of geometry | ||
ST_Disjoint() | Whether one geometry is disjoint from another | ||
ST_Distance() | The distance of one geometry from another | ||
ST_Distance_Sphere() | Minimum distance on earth between two geometries | ||
ST_EndPoint() | End Point of LineString | ||
ST_Envelope() | Return MBR of geometry | ||
ST_Equals() | Whether one geometry is equal to another | ||
ST_ExteriorRing() | Return exterior ring of Polygon | ||
ST_GeoHash() | Produce a geohash value | ||
ST_GeomCollFromText(), ST_GeometryCollectionFromText(), ST_GeomCollFromTxt() | Return geometry collection from WKT | ||
ST_GeomCollFromWKB(), ST_GeometryCollectionFromWKB() | Return geometry collection from WKB | ||
ST_GeometryN() | Return N-th geometry from geometry collection | ||
ST_GeometryType() | Return name of geometry type | ||
ST_GeomFromGeoJSON() | Generate geometry from GeoJSON object | ||
ST_GeomFromText(), ST_GeometryFromText() | Return geometry from WKT | ||
ST_GeomFromWKB(), ST_GeometryFromWKB() | Return geometry from WKB | ||
ST_InteriorRingN() | Return N-th interior ring of Polygon | ||
ST_Intersection() | Return point set intersection of two geometries | ||
ST_Intersects() | Whether one geometry intersects another | ||
ST_IsClosed() | Whether a geometry is closed and simple | ||
ST_IsEmpty() | Whether a geometry is empty | ||
ST_IsSimple() | Whether a geometry is simple | ||
ST_IsValid() | Whether a geometry is valid | ||
ST_LatFromGeoHash() | Return latitude from geohash value | ||
ST_Length() | Return length of LineString | ||
ST_LineFromText(), ST_LineStringFromText() | Construct LineString from WKT | ||
ST_LineFromWKB(), ST_LineStringFromWKB() | Construct LineString from WKB | ||
ST_LongFromGeoHash() | Return longitude from geohash value | ||
ST_MakeEnvelope() | Rectangle around two points | ||
ST_MLineFromText(), ST_MultiLineStringFromText() | Construct MultiLineString from WKT | ||
ST_MLineFromWKB(), ST_MultiLineStringFromWKB() | Construct MultiLineString from WKB | ||
ST_MPointFromText(), ST_MultiPointFromText() | Construct MultiPoint from WKT | ||
ST_MPointFromWKB(), ST_MultiPointFromWKB() | Construct MultiPoint from WKB | ||
ST_MPolyFromText(), ST_MultiPolygonFromText() | Construct MultiPolygon from WKT | ||
ST_MPolyFromWKB(), ST_MultiPolygonFromWKB() | Construct MultiPolygon from WKB | ||
ST_NumGeometries() | Return number of geometries in geometry collection | ||
ST_NumInteriorRing(), ST_NumInteriorRings() | Return number of interior rings in Polygon | ||
ST_NumPoints() | Return number of points in LineString | ||
ST_Overlaps() | Whether one geometry overlaps another | ||
ST_PointFromGeoHash() | Convert geohash value to POINT value | ||
ST_PointFromText() | Construct Point from WKT | ||
ST_PointFromWKB() | Construct Point from WKB | ||
ST_PointN() | Return N-th point from LineString | ||
ST_PolyFromText(), ST_PolygonFromText() | Construct Polygon from WKT | ||
ST_PolyFromWKB(), ST_PolygonFromWKB() | Construct Polygon from WKB | ||
ST_Simplify() | Return simplified geometry | ||
ST_SRID() | Return spatial reference system ID for geometry | ||
ST_StartPoint() | Start Point of LineString | ||
ST_SymDifference() | Return point set symmetric difference of two geometries | ||
ST_Touches() | Whether one geometry touches another | ||
ST_Union() | Return point set union of two geometries | ||
ST_Validate() | Return validated geometry | ||
ST_Within() | Whether one geometry is within another | ||
ST_X() | Return X coordinate of Point | ||
ST_Y() | Return Y coordinate of Point | ||
StartPoint() | Start Point of LineString | Yes | |
STD() | Return the population standard deviation | ||
STDDEV() | Return the population standard deviation | ||
STDDEV_POP() | Return the population standard deviation | ||
STDDEV_SAMP() | Return the sample standard deviation | ||
STR_TO_DATE() | Convert a string to a date | ||
STRCMP() | Compare two strings | ||
SUBDATE() | Synonym for DATE_SUB() when invoked with three arguments | ||
SUBSTR() | Return the substring as specified | ||
SUBSTRING() | Return the substring as specified | ||
SUBSTRING_INDEX() | Return a substring from a string before the specified number of occurrences of the delimiter | ||
SUBTIME() | Subtract times | ||
SUM() | Return the sum | ||
SYSDATE() | Return the time at which the function executes | ||
SYSTEM_USER() | Synonym for USER() | ||
TAN() | Return the tangent of the argument | ||
TIME() | Extract the time portion of the expression passed | ||
TIME_FORMAT() | Format as time | ||
TIME_TO_SEC() | Return the argument converted to seconds | ||
TIMEDIFF() | Subtract time | ||
TIMESTAMP() | With a single argument, this function returns the date or datetime expression; with two arguments, the sum of the arguments | ||
TIMESTAMPADD() | Add an interval to a datetime expression | ||
TIMESTAMPDIFF() | Return the difference of two datetime expressions, using the units specified | ||
TO_BASE64() | Return the argument converted to a base-64 string | ||
TO_DAYS() | Return the date argument converted to days | ||
TO_SECONDS() | Return the date or datetime argument converted to seconds since Year 0 | ||
Touches() | Whether one geometry touches another | Yes | |
TRIM() | Remove leading and trailing spaces | ||
TRUNCATE() | Truncate to specified number of decimal places | ||
UCASE() | Synonym for UPPER() | ||
UNCOMPRESS() | Uncompress a string compressed | ||
UNCOMPRESSED_LENGTH() | Return the length of a string before compression | ||
UNHEX() | Return a string containing hex representation of a number | ||
UNIX_TIMESTAMP() | Return a Unix timestamp | ||
UpdateXML() | Return replaced XML fragment | ||
UPPER() | Convert to uppercase | ||
USER() | The user name and host name provided by the client | ||
UTC_DATE() | Return the current UTC date | ||
UTC_TIME() | Return the current UTC time | ||
UTC_TIMESTAMP() | Return the current UTC date and time | ||
UUID() | Return a Universal Unique Identifier (UUID) | ||
UUID_SHORT() | Return an integer-valued universal identifier | ||
VALIDATE_PASSWORD_STRENGTH() | Determine strength of password | ||
VALUES() | Define the values to be used during an INSERT | ||
VAR_POP() | Return the population standard variance | ||
VAR_SAMP() | Return the sample variance | ||
VARIANCE() | Return the population standard variance | ||
VERSION() | Return a string that indicates the MySQL server version | ||
WAIT_FOR_EXECUTED_GTID_SET() | Wait until the given GTIDs have executed on the replica. | ||
WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS() | Use WAIT_FOR_EXECUTED_GTID_SET(). | ||
WEEK() | Return the week number | ||
WEEKDAY() | Return the weekday index | ||
WEEKOFYEAR() | Return the calendar week of the date (1-53) | ||
WEIGHT_STRING() | Return the weight string for a string | ||
Within() | Whether MBR of one geometry is within MBR of another | Yes | |
X() | Return X coordinate of Point | Yes | |
XOR | Logical XOR | ||
Y() | Return Y coordinate of Point | Yes | |
YEAR() | Return the year | ||
YEARWEEK() | Return the year and week | ||
| | Bitwise OR | ||
~ | Bitwise inversion |
© 2025 Oracle
Licensed under the GPLv2 License.
