

10.8.5 Estimating Query Performance. Depending on the details of your tables, columns, indexes, and the conditions in your WHERE clause, the MySQL optimizer considers many techniques to efficiently perform the lookups involved in an SQL query. A query on a huge table can be performed without reading all the rows; a join involving several tables ...



INSERT INTO Syntax. It is possible to write the INSERT INTO statement in two ways: 1. Specify both the column names and the values to be inserted: INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...); 2. If you are adding values for all the columns of the table, you do not need to specify the column names ...



































mysql> SELECT -> USER() -> c mysql> Here, too, notice the prompt. It switches back to mysql> after you type c, providing feedback to indicate that mysql is ready for a new query. The following table shows each of the prompts you may see and summarizes what they mean about the state that mysql is in.













Appendix B Keyboard Shortcuts. The following tables list keyboard shortcuts for MySQL Workbench commands. Modifier in the tables stands for the platform-specific modifier key. This is Command on macOS, Control on other platforms. On macOS, the Alt key is Option . There are keyboard shortcuts for the different menus in MySQL Workbench:
