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https://dev.mysql.com/doc/refman/9.7/en/load-data.html
Because the file contents are sent over the connection by the client to the server, using LOCAL is a bit slower than when the server accesses the file directly. BIT values cannot be loaded directly using binary notation (for example, b'011010'). The ...
https://dev.mysql.com/doc/refman/9.7/en/myisamchk-table-info.html
uint24 NULL 0 1024 Field Start Length Nullpos Nullbit Type 1 1 1 2 2 4 no zeros 3 6 81 varchar 4 87 81 varchar 5 168 3 1 1 no zeros 6 171 3 1 2 no zeros Explanations for the types of information myisamchk produces are given here. Nullpos, Nullbit ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-conflict-resolution.html
Additional storage is required for tables using the NDB$EPOCH() and NDB$EPOCH_TRANS() functions; from 1 to 32 bits extra space per row is required, depending on the value passed to the function. This column should be defined as follows: ...
https://dev.mysql.com/doc/refman/9.7/en/charset-unicode-utf32.html
utf32 uses 32 bits for every character, unlike ucs2 (which uses 16 bits for every character), and unlike utf16 (which uses 16 bits for some characters and 32 bits for others). The utf32 character set is fixed length (like ucs2 and unlike utf16).
https://dev.mysql.com/doc/refman/9.7/en/faqs-replication.html
Does replication work on mixed hardware architectures (for example, the source runs on a 64-bit machine while replicas run on 32-bit machines)? A.14.1. Does replication work on mixed hardware architectures (for example, the source runs on a 64-bit ... In the following section, we provide answers to questions that are most frequently asked about MySQL ...
https://dev.mysql.com/doc/refman/9.7/en/hexadecimal-literals.html
In numeric contexts, MySQL treats a hexadecimal literal like a BIGINT UNSIGNED (64-bit unsigned integer). Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, A..F). Lettercase of the ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-system-tables.html
The FLAG field provides bit level information about table format and storage characteristics. TYPE is a numerical value representing bit flags that provide additional information about the foreign key column. You can extract metadata about schema ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-row-format.html
The variable-length part of the record header contains a bit vector for indicating NULL columns. If the number of columns in the index that can be NULL is N, the bit vector occupies CEILING(N/8) bytes. (For example, if there are anywhere from 9 to ... The row format of a table determines how its rows are physically stored, which in turn can affect the performance of queries and DML ...
https://dev.mysql.com/doc/refman/9.7/en/known-issues.html
Numeric calculations are done with BIGINT or DOUBLE (both are normally 64 bits long). The general rule is that bit functions are performed with BIGINT precision, IF() and ELT() with BIGINT or DOUBLE precision, and the rest with DOUBLE precision. You ... This section lists known issues in recent versions of ...
https://dev.mysql.com/doc/refman/9.7/en/replication-options-replica.html
--master-retry-count=count Command-Line Format --master-retry-count=# Deprecated Yes Type Integer Default Value 10 Minimum Value 0 Maximum Value (64-bit platforms) 18446744073709551615 Maximum Value (32-bit platforms) 4294967295 This option is ...