/** * 测试代码 */object TestSpark{caseclassPerson(name:String,age:Long)defmain(args:Array[String]):Unit={val spark=SparkSession.builder().appName("test").master("local").getOrCreate()importspark.implicits._ val df:DataFrame=spark.sparkContext.parallelize(Array(Person("zhangsan",10),Person...
(); SqlDataAdapter *da; SqlCommandBuilder *cmdBuilder;//Set the connection string of the SqlConnection object to connect//to the SQL Server database in which you created the sample//table in Section 1.0cn->ConnectionString ="Server=server;Database=northwind;UID=login;PWD=password;"; cn->Open...
REM Line breaks are added to improve readability. REM In a batch file, commands must be made in a single line. REM Run the Snapshot agent from the command line to generate the standard snapshot REM schema and other files. SET DistPub=%computername% SET PubDB=AdventureWorks2022 SET PubNam...
(); // replace these with your own values // create two tables RegionTable1 and RegionTable2 // and add a constraint in one of these tables // to avoid duplicate RegionID builder.DataSource = "localhost"; builder.InitialCatalog = "Northwind"; builder.IntegratedSecurity = true; Task task...
Note: If the SEPARATE SECURITY subsystem parameter is set to NO, SYSADM authority has implicit SECADM authority. Syntax for CREATE TRIGGER (basic) CREATETRIGGERtrigger-name trigger-definitionWRAPPEDobfuscated-statement-text trigger-definition trigger-activation-time trigger-event ON table-nameview-name ...
REM Line breaks are added to improve readability. REM In a batch file, commands must be made in a single line. REM Run the Snapshot agent from the command line to generate the standard snapshot REM schema and other files. SET DistPub=%computername% ...
If these restrictions are acceptable, this approach is fast and convenient. For example, many Microsoft Access database owners only need the basic table definitions and the data copied to an Oracle database, after which they can add keys and constraints in the Oracle database using SQL Developer...
The EXEC or EXECUTE statement can be used to send pass-through commands to linked servers. Additionally, the context in which a string or command is executed can be explicitly set. Metadata for the result set can be defined by using the WITH RESULT SETS options. Important Before you call ...
If you want to be able to update your tables, make sure you add a unique index to each Access table before upsizing. Assign yourself appropriate permissions on the SQL Server database To upsize to an existing database, you need CREATE TABLE and CRE...
Luckily, one of these commands is the SQL Create Database command. You can see the full T-SQL Create Database syntax onMicrosoft pages. I’ll simplify it a lot and go only with the most basic form. In order to create a new database on our server, we need to use the following comma...