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https://dev.mysql.com/doc/c-api/8.4/en/mysql-fetch-row.html
mysql_fetch_row() retrieves the next row of a result set: When used after mysql_store_result() or mysql_store_result_nonblocking(), mysql_fetch_row() returns NULL if there are no more rows to retrieve. When used after mysql_use_result(), ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-autopilot-shape-advisor-sql.html
Autopilot Shape Advisor with a MySQL Client 17.3.2 Autopilot Shape Advisor with a MySQL Client Auto Shape Prediction records predictions in the shape_predictions table in the mysql_autopilot schema on the MySQL server. This is a system schema that ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-online-operations.html
This does not perform any defragmentation, which requires an OPTIMIZE TABLE or null ALTER TABLE statement. The columns must permit NULL values and not have any explicit default value other than NULL. row *************************** Table: t1 Create ... MySQL NDB Cluster supports online table schema changes using ALTER TABLE ...
https://dev.mysql.com/doc/refman/8.4/en/pattern-matching.html
MySQL provides standard SQL pattern matching as well as a form of pattern matching based on extended regular expressions similar to those used by Unix utilities such as vi, grep, and sed. SQL pattern matching enables you to use _ to match any ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-secondary-indexes.html
This program illustrates how to use secondary indexes in the NDB API. The source code for this example may be found in the NDB Cluster source tree, in storage/ndb/ndbapi-examples/ndbapi_simple_index/main.cpp.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
This example demonstrates combining --config-binary-file with other ndb_config options to obtain useful output: $> ndb_config --config-binary-file=../mysql-cluster/ndb_50_config.bin.1 --diff-default --type=ndbd config of [DB] node id 5 that is ...
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/refman/8.4/en/version-tokens-reference.html
| +------------------------------------+ An argument of NULL is treated as an empty string, which has no effect on the token list. (It is not an error to delete nonexisting tokens.) To clear the token list entirely without knowing which tokens are ... The following discussion serves as a reference to these Version Tokens elements: Version Tokens Functions Version Tokens System Variables Version Tokens Functions The Version Tokens plugin library includes several ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-legacy-filtering.html
The value for either variable can be NULL or a string containing one or more comma-separated account names, each in user_name@host_name format. By default, both variables are NULL, in which case, no account filtering is done and auditing occurs for ... Note This section describes legacy audit log filtering, which applies if the audit_log plugin is installed without the accompanying audit tables and functions needed for rule-based ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-synchronous-transactions.html
This example illustrates the use of synchronous transactions in the NDB API. It first creates a database ndb_examples and a table api_simple (if these objects do not already exist) using the MySQL C API with an SQL node, then performs a series of ...