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Which is the comment symbol in MySQL?
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…

What are programming errors?
Programming error means an error which occurs during the development or encoding of a computer program, software, or application, which would, when in operation, result in a malfunction or incorrect operation of a computer network. What are the 3 types of errors in programming? When developing programs there are three types of error that can…

Do people still use MySQL?
MySQL Community Edition is the most widely used free database in the industry. Also, its commercial version is used extensively in the industry. Is MySQL still popular? Who still uses MySQL? Even Fortune 500 companies that have built their own high-performance database systems (Facebook, Google, Amazon) still frequently use SQL to query data and perform…

Is a syntax error a logic error?
A syntax error occurs when we make a mistake in our coding, such as forgetting a semicolon to indicate the end of a statement. A logic error is harder to find. This occurs when we have all the correct syntax but we coded a portion of the program with an error, such as maybe, divide…

What InnoDB means?
What does InnoDB stand for? A well-engineered storage engine which is now the default storage engined used by MySQL. It’s a performant storage engine providing the standard ACID-compliant transaction features. Inno stands for ‘Innovation’, InnoDB is the lesser hero underpinning the many web services and saving huge amount of DBA headaches. Is InnoDB the same…

How do I grant all privileges to a database in MySQL?
To GRANT ALL privileges to a user , allowing that user full control over a specific database , use the following syntax: mysql> GRANT ALL PRIVILEGES ON database_name. * TO ‘username’@’localhost’; How do I grant multiple privileges in MySQL? In this syntax: First, specify one or more privileges after the GRANT keyword. If you grant…

What is binary mode in MySQL?
–binary-mode. This option helps when processing mysqlbinlog output that may contain BLOB values. By default, mysql translates \r\n in statement strings to \n and interprets \0 as the statement terminator. –binary-mode disables both features. What is binary in MySQL? The BINARY function converts a value to a binary string. This function is equivalent to using…

Can I DROP primary key in SQL?
You can delete (drop) a primary key in SQL Server by using SQL Server Management Studio or Transact-SQL. When the primary key is deleted, the corresponding index is deleted. Can a primary key be dropped in MySQL? You can drop a primary key in MySQL using the ALTER TABLE statement. What happens when you drop…

What are the 3 types of functions in math?
Types of Function – Based on Equation Constant Function: The polynomial function of degree zero. Linear Function: The polynomial function of degree one. Quadratic Function: The polynomial function of degree two. Cubic Function: The polynomial function of degree three. What are the 3 main types of functions? Types of Functions One – one function (Injective…

How do I edit a view in SQL?
To modify a view In Object Explorer, click the plus sign next to the database where your view is located and then click the plus sign next to the Views folder. Right-click on the view you wish to modify and select Design.vor 4 Tagen Can we add new column in view? If you want to…