You can comment out or uncomment a single line of code in an SQL statement, multiple adjacent lines of code, a complete SQL statement, or multiple adjacent SQL statements. The syntax for a comment in a line of SQL code is a double hyphen ( — ) at the beginning of the line. How do you comment out a block …
Single line comments start with — . Any text between — and the end of the line will be ignored (will not be executed). Can you comment out a line in SQL? You can comment out or uncomment a single line of code in an SQL statement, multiple adjacent lines of code, a complete SQL statement, or multiple adjacent SQL …
Syntax Using /* and */ symbols In MySQL, a comment that starts with /* symbol and ends with */ and can be anywhere in your SQL statement. This method of commenting can span several lines within your SQL. How do you comment multiple lines in MySQL? Multi-line comments start with /* and end with */ . Any text between /* …
Comments in C Comments can be used to explain code, and to make it more readable. It can also be used to prevent execution when testing alternative code. Comments can be singled-lined or multi-lined. What is comment give example? In general, a comment is a remark, suggestion, or another form of feedback about a product or service. What is comment …
Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by the compiler (will not be executed).
The second part of a SQL query is the name of the column you want to retrieve for each record you are getting. You can obviously retrieve multiple columns for each record, and (only if you want to retrieve all the columns) you can replace the list of them with * , which means “all columns”. Should you use * …
There are two types of SQL comments: simple comments. Simple comments are introduced by two consecutive hyphens (–) and end with the end of line. bracketed comments. What is the comment tag in SQL? A comment can appear between any keywords, parameters, or punctuation marks in a statement. You can include a comment in a statement in two ways: Begin …
You can comment out or uncomment a single line of code in an SQL statement, multiple adjacent lines of code, a complete SQL statement, or multiple adjacent SQL statements. The syntax for a comment in a line of SQL code is a double hyphen ( — ) at the beginning of the line. How do I comment out a single …
Explanation: In MySQL, a ‘View’ is used to present a table in the database. It is a virtual table. It is also used to present a subset of the columns that are present in the original table of the database. 3. What is MySQL short answer? MySQL is a database management system. It may be anything from a simple shopping …
In MySQL, the — (double-dash) comment style requires the second dash to be followed by at least one whitespace or control character (such as a space, tab, newline, and so on). This syntax differs slightly from standard SQL comment syntax, as discussed in Section 1.6. 2.4, “’–‘ as the Start of a Comment”. What is a comment in MySQL? Comments …