The comment syntax just described applies to how the mysqld server parses SQL statements. The mysql client program also performs some parsing of statements before sending them to the server. It does this to determine statement boundaries within a multiple-statement input line.
A comment for a column can be specified with the COMMENT option. The comment is displayed by the SHOW CREATE TABLE and SHOW FULL COLUMNS statements. It is allowed but ignored in earlier versions.
How can I access the table comment from a mysql. This method of commenting can only span a single line within your SQL and must be at the end of the line. Comments can be used to document the purpose of an SQL statement or the logic of a code block in a stored procedure. It only executes the SQL part except.
MySQL Enterprise Edition. We suggest that you use the MDchecksums and GnuPG signatures to verify the integrity of the packages you download. Der größte Deal von Löwe Höhle.
Nachdem das BTC-Geheimnis enthüllt wurde, werden die Leute verrückt! Bezeichnet den Text des Kommentars. Is the text of the comment. Dieser besteht aus einer oder mehreren Zeichenfolgen. This is one or more character strings.
They take up about the same amount of time (about meaning on a repeated testing, sometimes the difference between the control and the test was negative and sometimes positive). Please use specialized forums for specific topics. The COUNT() function is an aggregate function that returns the number of rows in a table. Method 3: In-line comment.
You can actually write a comment within a line and still continue SQL code after the comment on the same line as opposed to methods and 2. With this metho you start the comment with. The fact that my table comment. Changing mysql table comment. Ask Question Asked years, months ago. Active years, months ago.
GitHub Gist: instantly share code, notes, and snippets. Examples in Each Chapter With our online SQL editor, you can edit the SQL statements, and click on a button to view the result. Vous pouvez combiner des commandes stop et start, comme ci-dessous.
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