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https://dev.mysql.com/doc/refman/8.4/en/json-table-functions.html
NESTED [PATH] path COLUMNS (column_list): This flattens nested objects or arrays in JSON data into a single row along with the JSON values from the parent object or array. Using multiple PATH options allows projection of JSON values from multiple ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-functions-general-purpose.html
INTO @var_name and test the variable value: mysql> SELECT keyring_key_generate('', '', -1) INTO @x; ERROR 3188 (HY000): Function 'keyring_key_generate' failed because underlying keyring service returned an error. mysql> SELECT @x; +------+ | @x | ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-okv-plugin.html
Use this openssl command to decrypt the private key and create a file named key.pem: openssl pkcs8 -in private_key_pkcs8.pem -out key.pem Copy the key.pem file into the ssl directory. Note The keyring_okv plugin is an extension included in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-service.html
The function stores into it a pointer to a null-terminated string that provides additional information about the key (stored when the key was added). The function stores into it a pointer to the buffer containing the fetched key data. key_len: The ... MySQL Server supports a keyring service that enables internal components and plugins to securely store sensitive information for later ...
https://dev.mysql.com/doc/refman/8.4/en/ldap-pluggable-authentication.html
The client-side mysql_clear_password plugin is built into the libmysqlclient client library. The client-side SASL LDAP plugin is included in all distributions, including community distributions, and, as mentioned previously, the client-side ... Note ...
https://dev.mysql.com/doc/refman/8.4/en/manual-info.html
For example, while working with replication the commands might be prefixed with source and replica: source> type a mysql statement on the replication source here replica> type a mysql statement on the replica here Database, table, and column names ... This is the Reference Manual for the MySQL Database System, version 8.4, through release ...
https://dev.mysql.com/doc/refman/8.4/en/memory-storage-engine.html
Deleted rows are put in a linked list and are reused when you insert new data into the table. For example, you can put statements such as INSERT INTO ... SELECT or LOAD DATA into a file to load the table from a persistent data source, and use ...
https://dev.mysql.com/doc/refman/8.4/en/memory-use.html
For efficiency of high-volume read operations, the buffer pool is divided into pages that can potentially hold multiple rows. On systems with a large amount of memory, you can improve concurrency by dividing the buffer pool into multiple buffer pool ... MySQL allocates buffers and caches to improve performance of database ...
https://dev.mysql.com/doc/refman/8.4/en/midpoint-insertion.html
When using the midpoint insertion strategy, the LRU chain is divided into two parts: a hot sublist and a warm sublist. When an index block is read from a table into the key cache, it is placed at the end of the warm sublist. A block promoted into ...
https://dev.mysql.com/doc/refman/8.4/en/miscellaneous-optimization-tips.html
This section lists a number of miscellaneous tips for improving query processing speed: If your application makes several database requests to perform related updates, combining the statements into a stored routine can help performance. Similarly, ...The resulting fast database operations are then available to be reused by other queries, applications, and even code written in different programming ...