You can also use the COLLATE clause in the ALTER TABLE command when appropriate (primary key or foreign key). FieldType [(nFieldWidth [, nPrecision])] Specifies the field type, field width, and field precision (number of decimal places) for the new or modified field. FieldType is a ...
The ALTER TABLE command allows you to add, modify, or drop a column from an existing table. Adding column(s) to a table Syntax #1 To add a column to an existing table, the ALTER TABLE syntax is: ALTER TABLE table_name ADD column_name column-definition; For example: ALTER TABLE supplie...
百度试题 结果1 题目【单选题】The SQL command to modify record(s) in a tabled is : A. ALTER B. INSERT C. UPDATE D. DELETE 相关知识点: 试题来源: 解析 UPDATE 反馈 收藏
The options for alter column version of alter table statement. AddRowguidcol, DropRowguidcol can only happen if there is no DataType.public enum AlterTableAlterColumnOptionInheritance Enum AlterTableAlterColumnOption FieldsPalawakin ang talahanayan NameValueDescription NoOptionDefined 0 No option ...
Can I pass parameter to an ALTER DATABASE command Can I prevent deadlock during concurrent delete Can I print to file using T- SQL Can I sort an SQL table? Can I sort row without order by clause Can I UPDATE, then INSERT if no record updated? Can I use a COLLATE clause in a temp...
newSqlCommand(commandText, conn)) {// There're three command types: StoredProcedure, Text, TableDirect. The TableDirect// type is only for OLE DB.cmd.CommandType = commandType; cmd.Parameters.AddRange(parameters); conn.Open();returncmd.ExecuteNonQuery(); } } }// Set the connection, command...
For more information, see ALTER DATABASE Database Mirroring (Transact-SQL) and ALTER DATABASE Compatibility Level (Transact-SQL). Transact-SQL Syntax Conventions Syntax Copy ALTER DATABASE database_name SET { { <optionspec> [ ,...n ] [ WITH <termination> ] } } <optionspec>::= { <...
For more information, see ALTER DATABASE Database Mirroring (Transact-SQL) and ALTER DATABASE Compatibility Level (Transact-SQL). Transact-SQL Syntax Conventions Syntax Copy ALTER DATABASE database_name SET { { <optionspec> [ ,...n ] [ WITH <termination> ] } } <optionspec>::= { <...
ALTERTABLEPersons ADDDateOfBirth date; Notice that the new column, "DateOfBirth", is of type date and is going to hold a date. The data type specifies what type of data the column can hold. For a complete reference of all the data types available in MS Access, MySQL, and SQL Server...
The options for alter column version of alter table statement. AddRowguidcol, DropRowguidcol can only happen if there is no DataType.