Search Results
https://dev.mysql.com/doc/refman/8.4/en/delete.html
Single-Table Syntax DELETE [LOW_PRIORITY] [QUICK] [IGNORE] FROM tbl_name [[AS] tbl_alias] [PARTITION (partition_name [, partition_name] ...)] [WHERE where_condition] [ORDER BY ...] [LIMIT row_count] The DELETE statement deletes rows from tbl_name ...
https://dev.mysql.com/doc/refman/8.4/en/explain-output.html
It lists the tables in the output in the order that MySQL would read them while processing the statement. Note that this column is totally independent of the order of the tables as displayed in the output from EXPLAIN. That means that some of the ...
https://dev.mysql.com/doc/refman/8.4/en/glossary.html
Used for storing text-based documents, with associated character set and collation order. descending index A type of index where index storage is optimized to process ORDER BY column DESC clauses. Unlike the binary log, which is used for ... These ...
https://dev.mysql.com/doc/refman/8.4/en/index-hints.html
index_hint: USE {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] ([index_list]) | {IGNORE|FORCE} {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] (index_list) index_list: index_name [, index_name] ... Note MySQL 8.4 supports the index-level optimizer hints ...
https://dev.mysql.com/doc/refman/8.4/en/parenthesized-query-expressions.html
parenthesized_query_expression: ( query_expression [order_by_clause] [limit_clause] ) [order_by_clause] [limit_clause] [into_clause] query_expression: query_block [set_op query_block [set_op query_block ...]] [order_by_clause] [limit_clause] ...The ...
https://dev.mysql.com/doc/internals/en/prepared-stored.html
Let us start with a general description of the MySQL statement processing workflow in order to provide the reader with understanding of the problem of reexecution and vocabulary for the following sections. Creation of an execution plan, including ...Conventional statements, that is, SQL queries sent in COM_QUERY protocol packet, are the only statements present in MySQL server prior to version ...
https://dev.mysql.com/doc/internals/en/update-row.html
The server can do updates based on ordering if an ORDER BY clause was used. Synopsis virtual int update_row ( old_data, new_data); const byte * old_data ; byte * new_data ; Description This is the update_row method. old_data will have the previous ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-single.html
This section lists all NDB errors, ordered by NDB error code. Hash index attributes must be specified in same order as table attributes 4256 MySQL error. range_no not strictly increasing in ordered multi-range index scan 4283 MySQL error. Not all ...Each listing also includes the error's NDB error type, the corresponding MySQL Server error, and the text of the error ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbindexscanoperation.html
NdbIndexScanOperation Class Overview NdbIndexScanOperation::BoundType NdbIndexScanOperation::end_of_bound() NdbIndexScanOperation::getDescending() NdbIndexScanOperation::get_range_no() NdbIndexScanOperation::getSorted() ...For more information about ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-learn-with-genai.html
| | \n\nFrom the provided dataset, we can see that the `orders` table contains information about orders, and the `restaurants` table contains information about restaurants. | | \n\nFor example, to predict the delivery duration for a new food ...