CREATE TABLE – SQL Command项目 2006/10/23 Creates a table having the specified fields. 复制 CREATE TABLE | DBF TableName1 [NAME LongTableName] [FREE] (FieldName1 FieldType [(nFieldWidth [, nPrecision])] [NULL | NOT NULL] [CHECK lExpression1 [ERROR cMessageText1]] [DEFAULT e...
AI代码解释 CREATETABLEbookshelf(BOOK_IDNUMBER,BOOK_NAMEVARCHAR2(100),BOOK_TYPEVARCHAR2(100),AUTHORVARCHAR2(100),INTIMEDATE); 表名为:bookshelf,有列:图书id,图书名称,图书类型,作者,入库时间。通过上面学习的SELECT语法,来查询一下这张表: SELECT * FROM bookshelf; 查询图书表 可以发现,新建的bookshelf...
To create an SQL table, you use the CREATE TABLE command. This statement requires you to specify the name of the table, its column names, and their data types. Here’s the basic SQL syntax for table creation:Create Table SQL Query Syntax...
If you use theAUTOINCclause to turn on autoincrementing for a field and specify a default value, Visual FoxPro stores the default value in the table but does not use it. Visual FoxPro uses the default value if you use the SQLALTER TABLEcommand to remove autoincrementing for the field. ...
empty_lobs_are_null--setempty LOBs tonull(DefaultFALSE)defaults--direct pathdefaultvalue loading;EVALUATE_ONCE,EVALUATE_EVERY_ROW,IGNORE,IGNORE_UNSUPPORTED_EVALUATE_ONCE,IGNORE_UNSUPPORTED_EVALUATE_EVERY_ROWdirect_path_lock_wait--waitforaccess to table when currentlylocked(DefaultFALSE)PLEASENOTE:Command-...
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d4a1999ef83e mcr.microsoft.com/mssql/server:2022-latest "/opt/mssql/bin/perm..." 2 minutes ago Up 2 minutes 0.0.0.0:1433->1433/tcp, :::1433->1433/tcp sql1 如果STATUS列显示Up状态,则 SQL Server 正在容器中运行,并且在侦听PORTS列中...
SELECT'USE '+QUOTENAME(@dbname) +'; CHECKPOINT'ASCheckpointCommand;SELECT'SELECT * FROM sys.dm_db_log_info('+CONVERT(VARCHAR, @database_id) +')'ASVLF_LogInfo;ENDELSEIF(@log_reuse_wait =2)BEGINSELECT'Is '+ @recovery_model_desc +' recovery model the intended choice ...
20018 16 否 @optional_command_line 太长。 请使用代理定义文件。 20019 16 否 无法设置复制数据库选项 '%s',除非数据库是发布数据库或分发数据库。 20020 16 否 所提供的项目冲突解决程序无效或不存在。 20021 16 否 找不到该订阅。 20022 16 否 此项目现在的设置为禁用...
\set DYNAMIC_PARAM_ENABLE true CREATE TABLE student (id INT, name VARCHAR(32)) DISTRIBUTE BY HASH(id); CREATE TABLE INSERT INTO student VALUES (1, 'Jack'), (2, 'Tom'), (3, 'Jerry'); INSERT 0 3 -- 执行失败时,不设置变量 SELECT id, name FROM student ORDER BY idi; ERROR: column...
-- This command forces all closed and open row groups into columnstore.ALTERINDEXIndFactResellerSalesXL_CCIONFactResellerSalesXL_CCI REORGANIZEWITH(COMPRESS_ALL_ROW_GROUPS =ON); 重新组织表中的所有索引 下面的示例重新组织AdventureWorks2022数据库中HumanResources.Employee表内的所有索引。