Sometimes you need to write a record into a table in a SQL database. The INSERT INTO statement creates new records in a table and can work in one of two ways. The first form does not specify the column names where the data will be inserted, only their values. When doing so, each value needs to be inserted in the columned order they appear, here the table being the name of the table you’re adding a record into and each value would be replaced with the contents of your value (don’t insert the string ‘value’ into each!): INSERT INTO table VALUES (value,value,value,...); If you don’t have every value to…
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The SQL SELECT Statement
Most tasks you will execute against a database are done with SQL statements. Think of statements as a query, an insert, a change, or a delete operating. For example, to see all of your data, you would select all of the records from a database using the SELECT statement. Then we’ll ask for all, or *, and tell the command to show us where the data is coming from, which is the Customers table. Finally, we’ll be nice and tidy and put a semi-colon at the end; although if you forget, you can always do so after you hit return: SELECT * FROM Customers; As can be seen above, the…