Selecting Columns in a Query in MySQL

Q

How To Select Some Columns from a Table in MySQL?

✍: FYIcenter.com

A

If you want explicitly tell the query to return some columns, you can specify the column names in the SELECT clause. The following select statement returns only two columns, "id" and "url" from the table "fyi_links":

mysql> SELECT id, url FROM fyi_links;
+-----+-------------------+
| id  | url               |
+-----+-------------------+
| 101 | dev.fyicenter.com |
| 102 | dba.fyicenter.com |
| 103 | sqa.fyicenter.com |
+-----+-------------------+
3 rows in set (0.00 sec)

⇒ Select Rows with WHERE Clause in MySQL

⇐ Selecting All Columns of All Rows in MySQL

⇑ SELECT Query Statements with GROUP BY in MySQL

⇑⇑ MySQL Database Tutorials

2017-11-05, 1363🔥, 0💬

SELECT Query Statements with GROUP BY in MySQL
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Sorting Query Output in MySQL
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Sorting Output in Descending Order in MySQL
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Deleting All Rows in a Table in MySQL
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Select Rows with WHERE Clause in MySQL
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Selecting All Columns of All Rows in MySQL
How To Select All Columns of All Rows from a Table in MySQL? The simplest query statement is the one that selects all columns of all rows from a single table: "SELECT * FROM tableName;". The (*) in the SELECT clause tells the query to return all columns. The missing WHERE clause tells the query to r... 2017-11-05, 1454🔥, 0💬

Sort by Multiple Columns in MySQL
Can the Query Output Be Sorted by Multiple Columns in MySQL? You can specifying multiple columns in the ORDER BY clause as shown in the following example statement, which returns employees' salaries sorted by department and salary value: mysql> SELECT tag, counts, url, DATE(created) FROM fyi_... 2017-11-02, 1438🔥, 0💬

Adding More Data to the Test Table in MySQL
How To Add More Data to the Testing Table in MySQL? If you want to continue with other tutorial exercises in this FAQ collection, you need to add more data to the testing table. Follow the script below to add a new column and: mysql> ALTER TABLE fyi_links ADD COLUMN tag VARCHAR(8); mysql&... 2017-11-02, 1434🔥, 0💬

What Is a SELECT Query Statement in MySQL
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