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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-syntax.html
Using nullable columns in unique keys and primary keys means that queries using these columns are handled as full table scans. To work around this issue, make the column NOT NULL, or re-create the index without the USING HASH option. Some SQL ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-dictionary-columns.html
The table provides NDB dictionary information about columns of NDB tables.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-foreign-keys.html
The foreign_keys table provides information about foreign keys on NDB tables.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-privilege-synchronization.html
Privilege synchronization is the mechanism used by NDB Cluster for sharing and synchronizing users, roles, and privileges between SQL nodes. A statement granting the NDB_STORED_USER privilege, such as GRANT NDB_STORED_USER ON *.* TO ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-blob-tool.html
This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB tables containing BLOB ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-import.html
--output-type=name Command-Line Format --output-type=name Type Enumeration Default Value ndb Valid Values null Set the output type. ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB API. ndb_import requires a connection to an NDB management server (ndb_mgmd) to function; it does not require a connection to a MySQL ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-shell-tutorial-javascript-documents-collections.html
Simple document format for JavaScript: {field1: "value", field2 : 10, "field 3": null} An array of documents consists of a set of documents separated by commas and enclosed within [ and ] characters. When you are using MySQL as a Document Store, ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-shell-tutorial-javascript-indexes-create.html
The final parameter indicates whether the field should require the NOT NULL constraint. If the value is false, the field can contain NULL values. Indexes are used to find documents with specific field values quickly. Without an index, MySQL must ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-shell-tutorial-python-documents-index.html
The final parameter indicates whether the field should require the NOT NULL constraint. If the value is false, the field can contain NULL values. Indexes are used to find documents with specific field values quickly. Without an index, MySQL must ...