How do I SELECT multiple items in MySQL?

To select multiple values, you can use where clause with OR and IN operator.

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How do you set a SELECT statement to a variable in MySQL?

The syntax for assigning a value to a SQL variable within a SELECT query is @ var_name := value , where var_name is the variable name and value is a value that you’re retrieving. The variable may be used in subsequent queries wherever an expression is allowed, such as in a WHERE clause or in an INSERT statement.

How do you store results of SELECT query in a variable?

To store query result in one or more variables, you use the SELECT INTO variable syntax:

SELECT c1, c2, c3.
SELECT city INTO @city FROM customers WHERE customerNumber = 103;
SELECT @city;
SELECT city, country INTO @city, @country FROM customers WHERE customerNumber = 103;
SELECT @city, @country;

How do you create a loop in MySQL?

LOOP implements a simple loop construct, enabling repeated execution of the statement list, which consists of one or more statements, each terminated by a semicolon ( ; ) statement delimiter. The statements within the loop are repeated until the loop is terminated. Usually, this is accomplished with a LEAVE statement.

How do I select multiple data in SQL?

To select multiple columns from a table, simply separate the column names with commas! For example, this query selects two columns, name and birthdate , from the people table: SELECT name, birthdate FROM people; Sometimes, you may want to select all columns from a table.

How do I select multiple values in SQL?

The IN operator allows you to specify multiple values in a WHERE clause. The IN operator is a shorthand for multiple OR conditions.

How do you create a new variable in SQL?

SQL Variable declaration The DECLARE statement is used to declare a variable in SQL Server. In the second step, we have to specify the name of the variable. Local variable names have to start with an at (@) sign because this rule is a syntax necessity. Finally, we defined the data type of the variable.

How set multiple values in SQL?

To update multiple columns use the SET clause to specify additional columns. Just like with the single columns you specify a column and its new value, then another set of column and values. In this case each column is separated with a column.

Can I use loops in MySQL?

The MySQL LOOP statement could be used to run a block of code or set of statements, again and again, depends on the condition. labelname : It is an optional label at the start and end. statements : They could have one or multiple statements, each ended by a semicolon (;) and executed by LOOP.

How to do select into a table in MySQL?

MySQL MySQLi Database To do select into in MySQL, use CREATE TABLE SELECT command. The syntax is as follows − CREATE TABLE yourTableName SELECT *FROM yourOriginalTableName;

How to handle A varchar data type in a SELECT query?

One of data type INTEGER assigned a value of 0, while the other will be set as an empty string to handle a VARCHAR data type: With SELECT INTO, you are free to place the INTO clause in a couple different areas within the SELECT query. Here, I place it just after listing the target column of the SELECT clause:

What is the difference between integer and select into in SQL?

Where should I place the INTO clause in a SELECT query?

With SELECT INTO, you are free to place the INTO clause in a couple different areas within the SELECT query. Here, I place it just after listing the target column of the SELECT clause: