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https://dev.mysql.com/doc/refman/5.7/en/pluggable-authentication-system-variables.html
authentication_ldap_sasl_bind_base_dn Command-Line Format --authentication-ldap-sasl-bind-base-dn=value Introduced 5.7.19 System Variable authentication_ldap_sasl_bind_base_dn Scope Global Dynamic Yes Type String Default Value NULL For SASL LDAP ...
https://dev.mysql.com/doc/refman/5.7/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/5.7/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 under either of these circumstances: Before MySQL 5.7.13, that is, prior to the introduction of rule-based audit log filtering described in Section 6.4.5.7, “Audit Log ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html
However, the result must be an integer value or NULL (except in the case of [LINEAR] KEY partitioning, as discussed elsewhere in this chapter; see Section 22.2, “Partitioning Types”, for more information). A partitioning key may not be a ...
https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html
There are multiple ways to cause MySQL to accept the query: Alter the table to make name a primary key or a unique NOT NULL column. (This technique is inapplicable if NULL must be permitted as a valid name value.) Use ANY_VALUE() to refer to ...The ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-pruning.html
Important Invalid DATE and DATETIME values referenced in the WHERE condition of a statement against a partitioned table are treated as NULL. The core concept behind partition pruning is relatively simple, and can be described as “Do not scan ...
https://dev.mysql.com/doc/refman/5.7/en/sys-statement-performance-analyzer.html
If in_table is NULL and no snapshot exists, a new snapshot is created. Creates a report of the statements running on the server. The views are calculated based on the overall and/or delta activity. This procedure disables binary logging during its ...
https://dev.mysql.com/doc/refman/5.7/en/server-options.html
All partition-specific columns in the Information Schema PARTITIONS table display NULL. When you start the mysqld server, you can specify program options using any of the methods described in Section 4.2.2, “Specifying Program Options”. The ...
https://dev.mysql.com/doc/refman/5.7/en/string-comparison-functions.html
If either expr or pat is NULL, the result is NULL. Note Aggregate queries involving NOT LIKE comparisons with columns containing NULL may yield unexpected results. For example, consider the following table and data: CREATE TABLE foo (bar ... Table ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-auto-increment-handling.html
An example follows, where c1 is an AUTO_INCREMENT column of table t1: INSERT INTO t1 (c1,c2) VALUES (1,'a'), (NULL,'b'), (5,'c'), (NULL,'d'); Another type of “mixed-mode insert” is INSERT ... To make this clear, consider an example that uses ...