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https://dev.mysql.com/doc/refman/8.4/en/replication-options-binary-log.html
For compatibility with earlier releases, if you supply the --log-bin option with no string or with an empty string, the base name defaults to host_name-bin, using the name of the host machine. If you specify --log-bin option with no string or an ...
https://dev.mysql.com/doc/refman/8.4/en/encrypted-connection-protocols-ciphers.html
If you set a TLS version parameter to the empty string, encrypted connections cannot be established: tls_version: The server does not permit encrypted incoming connections. If this variable is not set, its default value is NULL, which means that the ... MySQL supports multiple TLS protocols and ciphers, and enables configuring which protocols and ciphers to permit for encrypted ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-application-error.html
The following list enumerates all NDB errors of type AE (Application error). Having a table without primary key uses an autoincremented hidden key, i.e. NDB error code 5002 MySQL error DMEC Error message The process has wrong type. NDB error code ...
https://dev.mysql.com/doc/refman/8.4/en/engine-condition-pushdown-optimization.html
column IS [NOT] NULL column IN (value_list) Each item in the value_list must be a constant, literal value. A string value to be compared with a column must use the same collation as the column. row *************************** id: 1 select_type: ...
https://dev.mysql.com/doc/refman/8.4/en/show-index.html
row *************************** Table: city Non_unique: 0 Key_name: PRIMARY Seq_in_index: 1 Column_name: ID Collation: A Cardinality: 4188 Sub_part: NULL Packed: NULL Null: Index_type: BTREE Comment: Index_comment: Visible: YES Expression: NULL ...
https://dev.mysql.com/doc/refman/8.4/en/gis-class-geometry.html
Geometry values of types (LineString, MultiPoint, MultiLineString) are either simple or nonsimple. Geometry values of types (LineString, MultiString) are either closed or not closed. Exterior, interior, and boundary of an empty geometry are not ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-ml-model-import.html
The table to import should have the following columns, and their recommended parameters: chunk_id: INT AUTO_INCREMENT PRIMARY KEY model_object: LONGTEXT NOT NULL model_metadata: JSON DEFAULT NULL See Model Metadata. Use the ML_MODEL_IMPORT routine ...
https://dev.mysql.com/doc/refman/8.4/en/regexp.html
Use of a binary string with any of the MySQL regular expression functions is rejected with ER_CHARACTER_SET_MISMATCH. expr REGEXP pat, expr RLIKE pat Returns 1 if the string expr matches the regular expression specified by the pattern pat, 0 ...This ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-operator-functions.html
See that section for descriptions of these functions: ST_Envelope(g) ST_StartPoint(ls) ST_EndPoint(ls) ST_PointN(ls, N) ST_ExteriorRing(poly) ST_InteriorRingN(poly, N) ST_GeometryN(gc, N) Unless otherwise specified, functions in this section handle ... OpenGIS proposes a number of functions that can produce ...
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-last-insert-id.html
getGeneratedKeys() is the preferred method to use if you need to retrieve AUTO_INCREMENT keys and through JDBC; this is illustrated in the first example below. The second example shows how you can retrieve the same value using a standard SELECT ...