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https://dev.mysql.com/doc/refman/5.7/en/retrieving-data.html
This can be a list of columns, or * to indicate “all columns.” which_table indicates the table from which you want to retrieve data. The SELECT statement is used to pull information from a table. The general form of the statement is: SELECT ...
https://dev.mysql.com/doc/refman/5.7/en/selecting-rows.html
As shown in the preceding section, it is easy to retrieve an entire table. But typically you don't want to see the entire table, particularly when it becomes large. Instead, you're usually more interested in answering a particular question, in ...
https://dev.mysql.com/doc/refman/5.7/en/show-create-table.html
row *************************** Table: t Create Table: CREATE TABLE `t` ( `id` int(11) NOT NULL AUTO_INCREMENT, `s` char(60) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SHOW CREATE TABLE quotes table and column names ...
https://dev.mysql.com/doc/refman/5.7/en/show-procedure-code.html
The first column is Pos, which is an ordinal number beginning with 0. The second column is Instruction, which contains an SQL statement (usually changed from the original source), or a directive which has meaning only to the stored-routine handler.
https://dev.mysql.com/doc/refman/5.7/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/5.7/en/string-literals.html
A string is a sequence of bytes or characters, enclosed within either single quote (') or double quote (") characters. Examples: 'a string' "another string" Quoted strings placed next to each other are concatenated to a single string. The following ...
https://dev.mysql.com/doc/refman/5.7/en/subquery-restrictions.html
The permitted syntax is therefore more specifically expressed as row_constructor [NOT] IN table_subquery For expr op {ALL|ANY|SOME} subquery, expr must be a scalar value and the subquery must be a column subquery; it cannot return multiple-column ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-file-io-type.html
The host_summary_by_file_io_type and x$host_summary_by_file_io_type views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-file-io.html
The host_summary_by_file_io and x$host_summary_by_file_io views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-stages.html
The host_summary_by_stages and x$host_summary_by_stages views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background ...By ...