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https://dev.mysql.com/doc/refman/8.0/en/pluggable-authentication-system-variables.html
authentication_ldap_sasl_bind_base_dn Command-Line Format --authentication-ldap-sasl-bind-base-dn=value System Variable authentication_ldap_sasl_bind_base_dn Scope Global Dynamic Yes SET_VAR Hint Applies No Type String Default Value NULL For SASL ...
https://dev.mysql.com/doc/refman/8.0/en/precision-math-examples.html
This section provides some examples that show precision math query results in MySQL. These examples demonstrate the principles described in Section 14.24.3, “Expression Handling”, and Section 14.24.4, “Rounding Behavior”. Consider the ...
https://dev.mysql.com/doc/refman/8.0/en/sys-sys-config.html
The value is NULL if the row has not been changed since the sys schema was installed. (For example, the variable corresponding to the diagnostics.include_raw option is @sys.diagnostics.include_raw.) If the user-defined variable exists in the current ... This table contains sys schema configuration options, one row per ...
https://dev.mysql.com/doc/refman/8.0/en/type-conversion.html
The following rules describe how conversion occurs for comparison operations: If one or both arguments are NULL, the result of the comparison is NULL, except for the NULL-safe <=> equality comparison operator. When an operator is used with operands ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/create-table-secondary-indexes.html
row *************************** id: 1 select_type: SIMPLE table: jemp partitions: NULL type: range possible_keys: i key: i key_len: 5 ref: NULL rows: 2 filtered: 100.00 Extra: Using where 1 row in set, 1 warning (0.00 sec) mysql> SHOW WARNINGS\G ...
https://dev.mysql.com/doc/refman/8.0/en/create-tablespace.html
The precise syntax and semantics depend on the storage engine used. MySQL NDB Cluster also supports tablespaces using the NDB storage engine. Considerations for InnoDB Considerations for NDB Cluster Options Notes InnoDB Examples NDB Example ...
https://dev.mysql.com/doc/refman/8.0/en/creating-tables.html
You want a table that contains a record for each of your pets. This can be called the pet table, and it should contain, as a bare minimum, each animal's name. Because the name by itself is not very interesting, the table should contain other ...
https://dev.mysql.com/doc/refman/8.0/en/data-type-defaults.html
In the definition of an integer column, it is an alias for NOT NULL AUTO_INCREMENT UNIQUE. Implicit Default Handling If a data type specification includes no explicit DEFAULT value, MySQL determines the default value as follows: If the column can ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-introduction.html
In some cases (for example, the ROUTINE_DEFINITION column in the INFORMATION_SCHEMA ROUTINES table), users who have insufficient privileges see NULL. If this field is NULL, it means that the value of the column is always NULL. INFORMATION_SCHEMA ...