ArbitrationTimeout, 4112 arbitrator_validity_detail ndbinfo table, 4524 arbitrator_validity_summary ndbinfo table, 4525 ARCHIVE storage engine, 3397, 3416 Area() removed features, 45 arithmetic expressions, 2139 arithmetic functions, 2258 arithmetic operators, 2258 .ARM file, 6131 array JSON, 2069 .ARZ file, 6131 AS, 2663, 2671 AsBinary() removed features, 45 ASCII(), 2173 ASIN(), 2142 ASP.net, 6132 assembly, 6132 assigning roles, 2881 assignment operator :=, 2133 =, 2134 assignment operators, 2133 AsText() removed features, 45 AsWKB() removed features, 45 AsWKT() removed features, 45 asymmetric_decrypt(), 1598 asymmetric_derive(), 1598 asymmetric_encrypt(), 1598 asymmetric_sign(), 1599 asymmetric_verify(), 1600 asynchronous I/O, 3126, 6133 asynchronous replication (see NDB Cluster replication) asynchronous_connection_failover_add_managed() function, 2783 asynchronous_connection_failover_add_source() function, 2782 asynchronous_connection_failover_delete_managed() function, 2784 asynchronous_connection_failover_delete_source() function, 2782 ATAN(), 2142 ATAN2(), 2142 atomic, 6133 atomic DDL, 2464, 6133 new features, 9 atomic instruction, 6133 attackers security against, 1175 attribute demotion replication, 3659 5326