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https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html
Note In previous versions of MySQL, when evaluating an expression containing LEAST() or GREATEST(), the server attempted to guess the context in which the function was used, and to coerce the function's arguments to the data type of the expression ... Table 14.4 Comparison Operators Name Description > Greater than operator >= Greater than or equal operator < Less than operator <>, != Not equal operator <= Less than or equal operator <=> NULL-safe equal to operator = Equal operator BETWEEN ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-top.html
Usage ndb_top [-h hostname] [-t port] [-u user] [-p pass] [-n node_id] ndb_top connects to a MySQL Server running as an SQL node of the cluster. By default, it attempts to connect to a mysqld running on localhost and port 3306, as the MySQL root ...
https://dev.mysql.com/doc/refman/8.0/en/network-namespace-support.html
Namespace-specific address spaces can lead to problems when MySQL connections cross namespaces. For example, the network address space for a MySQL instance running in a container or virtual network may differ from the address space of the host ... A ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-config.html
Use with --xml to obtain XML output (Supported in all NDB releases based on MySQL 8.0) --connections Print information only about connections specified in [tcp], [tcp default], [sci], [sci default], [shm], or [shm default] sections of cluster ...
https://dev.mysql.com/doc/refman/8.0/en/explain-output.html
The EXPLAIN statement provides information about how MySQL executes statements. It lists the tables in the output in the order that MySQL would read them while processing the statement. This means that MySQL reads a row from the first table, then ...EXPLAIN returns a row of information for each table used in the SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/entering-queries.html
This section describes the basic principles of entering queries, using several queries you can try out to familiarize yourself with how mysql works. We'll get to others later.) When you issue a query, mysql sends it to the server for execution and ... Make sure that you are connected to the server, as discussed in the previous ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-management-exchange.html
This restriction is lifted for InnoDB tables in MySQL 8.0.14 and later. The partitioning and (if applicable) subpartitioning used by the partitioned table may be of any type or types supported in MySQL 8.0. Exchanging Partitions Without Row-By-Row ...Table nt contains no foreign key references, and no other table has any foreign keys that refer to ...
https://dev.mysql.com/doc/refman/8.0/en/features.html
MySQL Server supports many different character sets that can be specified at compile time and runtime. This section describes some of the important characteristics of the MySQL Database Software. In most respects, the roadmap applies to all ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-innodb-cluster-introduction.html
This chapter introduces MySQL InnoDB Cluster, which combines MySQL technologies to enable you to deploy and administer a complete integrated high availability solution for MySQL. This content is a high-level overview of InnoDB Cluster, for full ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-innodb-replicaset-introduction.html
This chapter introduces MySQL InnoDB ReplicaSet, which combines MySQL technologies to enable you to deploy and administer Chapter 19, Replication. This content is a high-level overview of InnoDB ReplicaSet, for full documentation, see MySQL InnoDB ...InnoDB ReplicaSet provides an alternative, easy to use programmatic way to work with ...