Simple operation of table data for SQL Server

--Table data manipulation--
-- Add Table Data --
-- adding data to an existing table --
[Use the database name to manipulate the data table
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Insert [into] datasheet [(Field name 1, field name 2, field name 3, ...)] VALUES (value 1, value 2, value 3, ...)

Cases:
Use Commodity Management database
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Insert Customer Information Form (customer name, customer number, contact phone) values (' Contacts ', ' 021 ', ' 13927112594 ')

-- generate (add to) a new data table from the table data being queried--
[Use the database name to manipulate the data table
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Select field List into new data table name from source data table name [WHERE condition expression]

Cases:
Use Commodity Management database
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SELECT * into stock information table from arrival information table where quantity <100

-- Add the queried table data to an existing data table (number of fields, order, and data type to be compatible)--
[Use the database name to manipulate the data table
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Insert into is added data already exists data table Select field list from source data table [where condition expression]

Cases:
Use Commodity Management database
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Insert into incoming information table, select product number, purchase price, quantity of goods, purchase amount, arrival date from arrival information table where incoming quantity >300

-- modifying table data --
Update the data table name to be modified set field name = new Value [, ...] [From data table list] [Where Condition expression]

Cases:
Use Commodity Management database
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Update customer Information table Set mailbox = ' [email protected] ' where customer number = ' 001 '

-- Delete table data --
Delete data table name [from data table list] [where conditional expression] --delete table data only does not delete data table

Cases:
Use Commodity Management database
Delete Customer Information table where customer number = "001"

-- table data query --

SELECT * | field name [, field Name 2, ...] from data table name [WHERE condition expression]

Cases:
Use Commodity Management database
Go
SELECT * From commodity information table
Select product number, product name, origin from product information Form
SELELCT * FROM product information sheet where origin = ' Shenyang, Liaoning '

Note: "--" for the comment text

Simple operation of table data for SQL Server