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https://dev.mysql.com/doc/refman/8.0/en/charset-we-sets.html
ascii (US ASCII) collations: ascii_bin ascii_general_ci (default) cp850 (DOS West European) collations: cp850_bin cp850_general_ci (default) dec8 (DEC Western European) collations: dec8_bin dec8_swedish_ci (default) The dec character set is ...
https://dev.mysql.com/doc/refman/8.0/en/checking-gpg-signature.html
Was the download tampered with? Probably not, but this decision is up to you. Another method of verifying the integrity and authenticity of a package is to use cryptographic signatures. This is more reliable than using MD5 checksums, but requires ...
https://dev.mysql.com/doc/refman/8.0/en/charset-charsets.html
There is one subsection for each group of related character sets. To list the available character sets and their default collations, use the SHOW CHARACTER SET statement or query the INFORMATION_SCHEMA CHARACTER_SETS table. To avoid choosing the ...
https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html
When unix_timestamp is a decimal value, the fractional seconds precision of the DATETIME is the same as the precision of the decimal value, up to a maximum of 6. mysql> SELECT MINUTE('2008-02-03 10:05:03'); -> 5 MONTH(date) Returns the month for ...
https://dev.mysql.com/doc/refman/8.0/en/extended-show.html
Some extensions to SHOW statements accompany the implementation of INFORMATION_SCHEMA: SHOW can be used to get information about the structure of INFORMATION_SCHEMA itself. Several SHOW statements accept a WHERE clause that provides more ...
https://dev.mysql.com/doc/refman/8.0/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
The innodb_redo_log_capacity system variable can be set at runtime to increase or decrease the total amount of disk space occupied by redo log files. In addition, the optimizer now decorrelates trivially-correlated equality predicates in the WHERE ... This section summarizes what has been added to, deprecated in, and removed from MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/number-literals.html
Number literals include exact-value (integer and DECIMAL) literals and approximate-value (floating-point) literals. The DECIMAL data type is a fixed-point type and calculations are exact. In MySQL, the DECIMAL type has several synonyms: NUMERIC, ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-type-syntax.html
As of MySQL 8.0.17, the UNSIGNED attribute is deprecated for columns of type FLOAT, DOUBLE, and DECIMAL (and any synonyms); you should expect support for it to be removed in a future version of MySQL. M is the total number of digits (the precision) ... For integer data types, M indicates the minimum display ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
These types include the exact numeric data types (INTEGER, SMALLINT, DECIMAL, and NUMERIC), as well as the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). The keyword INT is a synonym for INTEGER, and the keywords DEC and FIXED ...MySQL treats DOUBLE as a synonym for DOUBLE PRECISION (a nonstandard ...