Do not do the print work removing the cover of the printer to confirm the operation of driving part. Page 7: Laser Beams 4.4 Laser beams â¢ If your eyes are exposed to laser beams, you may lose your eyesight. â¢ Never open the cover if the warning label for laser beams is attached there.
SQL ALTER TABLE Rename Column Syntax. Sometimes we want to change the name of a column. To do this in SQL, we specify that we want to change the structure of the table using the ALTER TABLE command, followed by a command that tells the relational database that we want to rename the column.o do this in SQL, we specify that we want to change the structure of the table using the ALTER TABLE command, followed by a command that tells the relational database that we want to rename the column.
SQL CREATE TABLE Example. Now we want to create a table called Persons that contains five columns: PersonID, LastName, FirstName, Address, and City.he column_name parameters specify the names of the columns of the table. The data_type parameter specifies what type of data the column can hold (e.g. varchar, integer, decimal, date, etc.). The size parameter specifies the maximum length of the column of the table.