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select 'mytable' into @tableName; select 'c://temp/test.csv' into @outputFile; -- 2. get the column names in a format that will fit the query. select group_concat(concat("'",column_name, "'")) into @columnNames from information_schema.columns. where table_name=@tableName; -- 3. build the query.
The SELECT statement is used to pull information from a table. The general form of the statement is: SELECT what_to_select FROM which_table WHERE conditions_to_satisfy; what_to_select indicates what you want to see.
The SELECT statement is used to select data from a database. The data returned is stored in a result table, called the result-set. SELECT Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.
27 Ιουλ 2020 · The SELECT statement is used to populate data from any table of the MySQL database server. It is neither a DML (Data modification language) or DDL (Data definition language). It is a limited form of DML statement that is used only to populate the data from the database. The basic syntax of the SELECT statement is following
5.3.4.1 Selecting All Data. The simplest form of SELECT retrieves everything from a table: This form of SELECT uses *, which is shorthand for “select all columns.”. This is useful if you want to review your entire table, for example, after you've just loaded it with your initial data set. For example, you may happen to think that the birth ...
The SELECT statement is used to pull information from a table. The general form of the statement is: SELECT what_to_select FROM which_table WHERE conditions_to_satisfy; what_to_select indicates what you want to see.
