How do I select all fields except one in MySQL?
How do I select all fields except one in MySQL?
Example: Select * from all the columns of the sale_details table except sale_person_name.
- CREATE TEMPORARY TABLE temp_sale_details AS SELECT * FROM sale_details;
- ALTER TABLE temp_sale_details DROP COLUMN sale_person_name;
- SELECT * FROM temp_sale_details;
How do I select all rows except one in SQL?
The SQL EXCEPT operator is used to return all rows in the first SELECT statement that are not returned by the second SELECT statement. Each SELECT statement will define a dataset. The EXCEPT operator will retrieve all records from the first dataset and then remove from the results all records from the second dataset.
How do I write a select statement in MySQL?
Introduction to MySQL SELECT statement First, specify one or more columns from which you want to select data after the SELECT keyword. If the select_list has multiple columns, you need to separate them by a comma ( , ). Second, specify the name of the table from which you want to select data after the FROM keyword.
How do I select all in a MySQL database?
We use the SELECT * FROM table_name command to select all the columns of a given table. In the following example we are selecting all the columns of the employee table. mysql> SELECT * FROM employee; And we get the following output.
How do I select all columns except one in Bigquery?
A SELECT * EXCEPT statement specifies the names of one or more columns to exclude from the result set. All matching column names are omitted from the output. Note: SELECT * EXCEPT does not exclude columns that do not have names.
How do I select all but one column in hive?
+` from ( –select all columns from subquery except col21 select *, unix_timestamp() AS alias_col21 from table_name –select *, create new col based on col21 )a; By using this approach you are going to have alias_col21 as last column in your select statement so that you can partition based on that column.
How do I select all rows in a table?
You can also click anywhere in the table, and then press CTRL+A to select the table data in the entire table, or you can click the top-left most cell in the table, and then press CTRL+SHIFT+END. Press CTRL+A twice to select the entire table, including the table headers.
What is except all in SQL?
ANSI SQL standard describes EXCEPT ALL which returns all records from the first table which are not present in the second table, leaving the duplicates as is. Unfortunately, SQL Server does not support this operator.
What is select query in MySQL?
SELECT QUERY is used to fetch the data from the MySQL database. The purpose of MySQL Select is to return from the database tables, one or more rows that match a given criteria. Select query can be used in scripting language like PHP, Ruby, or you can execute it via the command prompt.
Which function is used to select database MySQL?
mysqli_select_db function
Selecting a MySQL Database Using PHP Script PHP uses mysqli_select_db function to select the database on which queries are to be performed. This function takes two parameters and returns TRUE on success or FALSE on failure.
How do I SELECT all data in SQL?
SELECT * FROM ; This SQL query will select all columns and all rows from the table. For example: SELECT * FROM [Person].
How do I SELECT all tables in a database?
Then issue one of the following SQL statement:
- Show all tables owned by the current user: SELECT table_name FROM user_tables;
- Show all tables in the current database: SELECT table_name FROM dba_tables;
- Show all tables that are accessible by the current user:
What is the use of exception in MySQL?
This means EXCEPT returns only rows, which are not available in the second SELECT statement. Just as with the UNION operator, the same rules apply when using the EXCEPT operator. MySQL does not support the EXCEPT operator. The basic syntax of EXCEPT is as follows.
How to use the EXCEPT operator in MySQL?
Just as with the UNION operator, the same rules apply when using the EXCEPT operator. MySQL does not support the EXCEPT operator. The basic syntax of EXCEPT is as follows. Here, the given condition could be any given expression based on your requirement. Consider the following two tables.
What is the use of except clause in SQL Server?
The SQL EXCEPT clause/operator is used to combine two SELECT statements and returns rows from the first SELECT statement that are not returned by the second SELECT statement.
How to select all rows from a table except the last one?
How to select all rows from a table except the last one in MySQL? You need to use != operator along with subquery. The syntax is as follows − To understand the above syntax, let us create a table.