PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 256.4Kb
Man Pages (Zip)
- 361.2Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/blob.html
You can make more bytes significant in sorting or grouping by increasing the value of max_sort_length at server startup or runtime. A BLOB is a binary large object that can hold a variable amount of data. These differ only in the maximum length of ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-file-space.html
The pages are grouped into extents of size 1MB for pages up to 16KB in size (64 consecutive 16KB pages, or 128 8KB pages, or 256 4KB pages). The data files that you define in the configuration file using the innodb_data_file_path configuration ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-transaction-summary-tables.html
row *************************** EVENT_NAME: transaction COUNT_STAR: 5 SUM_TIMER_WAIT: 19550092000 MIN_TIMER_WAIT: 2954148000 AVG_TIMER_WAIT: 3910018000 MAX_TIMER_WAIT: 5486275000 COUNT_READ_WRITE: 5 SUM_TIMER_READ_WRITE: 19550092000 ... The ...
https://dev.mysql.com/doc/refman/5.7/en/range-optimization.html
The range access method uses a single index to retrieve a subset of table rows that are contained within one or several index value intervals. The following sections describe conditions under which the optimizer uses range access. Additionally, for ...
https://dev.mysql.com/doc/refman/5.7/en/access-control.html
MySQL enables the creation of accounts that permit client users to connect to the server and access data managed by the server. The primary function of the MySQL privilege system is to authenticate a user who connects from a given host and to ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-reading.html
The audit log plugin supports functions that provide an SQL interface for reading JSON-format audit log files. (This capability does not apply to log files written in other formats.) When the audit log plugin initializes and is configured for JSON ...
https://dev.mysql.com/doc/refman/5.7/en/charset-literal.html
Every character string literal has a character set and a collation. For the simple statement SELECT 'string', the string has the connection default character set and collation defined by the character_set_connection and collation_connection system ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-innodb-change-buffer.html
What types of operations modify secondary indexes and result in change buffering? A.16.2. How much space does InnoDB use for the change buffer? A.16.5. How do I determine the current size of the change buffer? A.16.6. Where can I find additional ...
https://dev.mysql.com/doc/refman/5.7/en/function-resolution.html
ADDDATE BIT_AND BIT_OR BIT_XOR CAST COUNT CURDATE CURTIME DATE_ADD DATE_SUB EXTRACT GROUP_CONCAT MAX MID MIN NOW POSITION SESSION_USER STD STDDEV STDDEV_POP STDDEV_SAMP SUBDATE SUBSTR SUBSTRING SUM SYSDATE SYSTEM_USER TRIM VARIANCE VAR_POP VAR_SAMP ... MySQL supports built-in (native) functions, loadable functions, and stored ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-adaptive-hash.html
The adaptive hash index enables InnoDB to perform more like an in-memory database on systems with appropriate combinations of workload and sufficient memory for the buffer pool without sacrificing transactional features or reliability. The adaptive ...