• Provide a parenthesized list of comma-separated column names following the table name. In this case, a value for each named column must be provided by the VALUES list or the statement. • If you do not specify a list of column names for or, values for every column in the table must be provided by the VALUES list or the statement. If you do not know the order of the columns in the table, use DESCRIBE tbl_name to find out. • A SET clause indicates columns explicitly by name, together with the value to assign each one.

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Column values can be given in several ways. • If strict SQL mode is not enabled, any column not explicitly given a value is set to its default (explicit or implicit) value. For example, if you specify a column list that does not name all the columns in the table, unnamed columns are set to their default values. Default value assignment is described in.

If strict SQL mode is enabled, an statement generates an error if it does not specify an explicit value for every column that has no default value. • If both the column list and the VALUES list are empty, creates a row with each column set to its default value: INSERT INTO tbl_name () VALUES(); If strict mode is not enabled, MySQL uses the implicit default value for any column that has no explicitly defined default. If strict mode is enabled, an error occurs if any column has no default value. • Use the keyword DEFAULT to set a column explicitly to its default value. This makes it easier to write statements that assign values to all but a few columns, because it enables you to avoid writing an incomplete VALUES list that does not include a value for each column in the table. Otherwise, you must provide the list of column names corresponding to each value in the VALUES list. Dxcpl exe windows 7 32 bit.

• If a generated column is inserted into explicitly, the only permitted value is DEFAULT. For information about generated columns, see. • In expressions, you can use to produce the default value for column col_name. • Type conversion of an expression expr that provides a column value might occur if the expression data type does not match the column data type. Conversion of a given value can result in different inserted values depending on the column type. For example, inserting the string '1999.0e-2' into an,,, or column inserts the value 1999, 19.9921, 19.992100, or 1999, respectively.

The value stored in the and columns is 1999 because the string-to-number conversion looks only at as much of the initial part of the string as may be considered a valid integer or year. For the and columns, the string-to-number conversion considers the entire string a valid numeric value. • An expression expr can refer to any column that was set earlier in a value list.