For Example,Inserting values to the date column could be tricky. The date in MySQL could be added to the ‘YYYY-MM-DD’ format. In order to achieve this, let us add a column start_date with the default value as ‘0001-01-01’. This implies that all the existing records in the empl...
SQL 복사 INSERT INTO Production.UnitMeasure (Name, UnitMeasureCode, ModifiedDate) VALUES (N'Square Yards', N'Y2', GETDATE()); 열 값 처리 이 섹션의 예제에서는 IDENTITY 속성, DEFAULT 값으로 정의되거나 uniqueidentifier 또는 사용자 정...
capacity to represent the integral part of the number. If the insert value of a column is a string, the column must be either a string column with a length attribute at least as great as the length of the string, or a datetime column if the string represents a date, time, or time...
SQL 複製 INSERT INTO Production.UnitMeasure (Name, UnitMeasureCode, ModifiedDate) VALUES (N'Square Yards', N'Y2', GETDATE()); 處理資料行值 本節中的範例示範將值插入到以 IDENTITY 屬性、DEFAULT 值或以數據類型定義之數據行的方法,例如 uniqueidentifier 或使用者定義型別數據行。 D. 將資料插入...
INSERT INTO employees (employee_id, last_name, email, hire_date, job_id, salary, commission_pct) VALUES (207, 'Gregory', 'pgregory@example.com', sysdate, 'PU_CLERK', 1.2E3, NULL); The following statement has the same effect as the preceding example, but uses a subquery in theDML_ta...
30 1 * * * root mysqldump -u root -pPASSWORD --all-databases | gzip > /mnt/disk2/database_`date '+%m-%d-%Y'`.sql.gz 1. 10 mysqldump全量备份+mysqlbinlog二进制日志增量备份 备份: mysqldump --single-transaction --flush-logs --master-data=2 > backup.sql 1. 用–flush-logs选项,mysq...
SQL 複製 INSERT INTO Production.UnitMeasure (Name, UnitMeasureCode, ModifiedDate) VALUES (N'Square Yards', N'Y2', GETDATE()); 處理資料行值 本節中的範例示範將值插入到以 IDENTITY 屬性、DEFAULT 值或以數據類型定義之數據行的方法,例如 uniqueidentifier 或使用者定義型別數據行。 D. 將資料插入...
Transact-SQL (T-SQL) Reference Transact-SQL (T-SQL) Reference Date & time hierarchyid methods (database engine) Numeric String & binary Spatial geography & instances (geography Data Type) Spatial geometry & instances (geometry Data Type) Data types XML DBCC Functions Language elements Queries Stat...
SQL 複製 INSERT INTO Production.UnitMeasure (Name, UnitMeasureCode, ModifiedDate) VALUES (N'Square Yards', N'Y2', GETDATE()); 處理資料行值 本節中的範例示範將值插入到以 IDENTITY 屬性、DEFAULT 值或以數據類型定義之數據行的方法,例如 uniqueidentifier 或使用者定義型別數據行。 D. 將資料插入...
SQL 复制 INSERT INTO Production.UnitMeasure (Name, UnitMeasureCode, ModifiedDate) VALUES (N'Square Yards', N'Y2', GETDATE()); 处理列值 本节中的示例演示了向使用 IDENTITY 属性、DEFAULT 值定义的列中插入值的方法,或者使用数据类型(如 uniqueidentifier 或用户定义的类型列)进行定义。 D. 将数据...