代码语言:javascript 代码运行次数:0 运行 AI代码解释 ClassMethodTuneTable(){try{s mysql="TUNE TABLE Sample.MyTest %KEEP_UP_TO_DATE"s tStatement=##class(%SQL.Statement).%New()s qStatus=tStatement.%Prepare(mysql)ifqStatus '=1{w
2. 点击整行均可展开 代码语言:js AI代码解释 //el-table中标签添加row-key="id":expand-row-keys="expands"// 可以通过该属性设置 Table 目前的展开行,需要设置 row-key 属性才能使用,该属性为展开行的 keys 数组。@row-click="clickRowHandle"// 当某一行被点击时会触发该事件// 定义expandsdata(){ex...
In SQL, theConstraintsdefine the rules for data in a table, which are applied to table columns when the table is created, enforcing data integrity and consistency. For this reason, the data adheres to specific requirements (like unique values, valid foreign keys, or non-null values). To an...
OldVacationHours INT, NewVacationHours INT, ModifiedDate DATETIME ); UPDATE TOP (10) HumanResources.Employee SET VacationHours = VacationHours * 1.25 OUTPUT INSERTED.BusinessEntityID, DELETED.VacationHours, INSERTED.VacationHours, INSERTED.ModifiedDate INTO @MyTableVar; --Display the result set of ...
SQL database in Microsoft Fabric Specifies the properties of a PRIMARY KEY, UNIQUE, FOREIGN KEY, a CHECK constraint, or a DEFAULT definition added to a table by usingALTER TABLE. Transact-SQL syntax conventions Syntax syntaxsqlCopy [CONSTRAINTconstraint_name] { {PRIMARYKEY|UNIQUE} [CLUSTERED|NON...
SQL CREATETABLEdbo.Products ( ProductIDintIDENTITY(1,1)NOTNULL, QtyAvailablesmallint, UnitPrice money , InventoryValueASQtyAvailable * UnitPrice );-- Insert values into the table.INSERTINTOdbo.Products (QtyAvailable, UnitPrice)VALUES(25,2.00), (10,1.5);-- Display the rows in the table....
If you want to display your table in a style other than one of the in-built styles listed above, you'll have to set things up the hard way.Don't worry, it's not really that hard!Style optionsPrettyTable has a number of style options which control various aspects of how tables are ...
Before R2021a, use commas to separate each name and value, and encloseNamein quotes. Example:sqlupdate(conn,'inventoryTable',data,rf,Catalog = "toy_store",Schema = "dbo")updates the databaseinventoryTablestored in thetoy_storecatalog and thedboschema. ...
sp_tableoptioncan be used only to set option values for user-defined tables. To display table properties, use OBJECTPROPERTY or querysys.tables. The text in row option insp_tableoptioncan be enabled or disabled only on tables that contain text columns. If the table doesn't have a text col...
usingSystem;usingSystem.Data;usingSystem.Data.SqlClient;classProgram{staticvoidMain(string[] args){stringMySchoolConnectionString ="Data Source=(local);Initial Catalog=MySchool;Integrated Security=True";// Get DataString selectString =@"Select [CourseID],[Year],[Title],[Credits],[DepartmentID] Fro...