Use theCREATEINDEXstatement to create an index on Anindexis a schema object that contains an entry for each value that appears in the indexed column(s) of the table or cluster and provides direct, fast access to rows. Oracle supports several types of index: ...
When the threads are started, each one establishes its database connection, prepares the SQL statement, and executes the query. Since each thread has its own connection and resources, they can perform their database operations concurrently, thus potentially improving the overall performance of the ap...
The function uses aSELECTstatement to select thebalancecolumn from the row identified by the argumentacc_noin theorderstable. The function uses aRETURNstatement to return this value to the environment in which the function is called. The function created in the preceding example can be used in ...
The SQL statement below creates an index named "idx_lastname" on the "LastName" column in the "Persons" table:CREATE INDEX idx_lastname ON Persons (LastName); If you want to create an index on a combination of columns, you can list the column names within the parentheses, separated by...
The CREATE PROCEDURE statement defines a callable function or procedure.You can also use the CREATE FUNCTION statement to define a callable function or procedure, also known as a routine. Each routine has a name, which must be unique within the schema to which it belongs. Routine names ...
<properties><azure.functions.maven.plugin.version>1.18.0</azure.functions.maven.plugin.version><azure.functions.java.library.version>3.0.0</azure.functions.java.library.version><durabletask.azure.functions>1.0.0</durabletask.azure.functions><functionAppName>your-unique-app-name</function...
下面的CREATE PROCEDURE示例使用ObjectScript调用%SQL.Statement结果集类: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATE PROCEDURE Sample_Employee.GetTitle( INOUT Title VARCHAR(50) ) RETURNS VARCHAR(30) FOR Sample.Employee LANGUAGE OBJECTSCRIPT { SET myquery="SELECT TOP 10 Name,Title FROM ...
The CREATE TABLE (HADOOP) statement defines a Db2 Big SQL table that is based on a Hive table for the Hadoop environment. The definition must include its name and the names and attributes of its columns. The definition can include other attributes of the
Java Developer Kit (JDK) version 8. Apache Mavenproperlyinstalledaccording to Apache. Maven is a project build system for Java projects. Configure development environment The environment used for this article was a computer running Windows 10. The commands were executed in a command prompt, an...
Methods inherited from class java.lang.Object getClass,notify,notifyAll,wait,wait,wait Constructor Detail CreatePreparedStatementRequest public CreatePreparedStatementRequest() Method Detail setStatementName public void setStatementName(StringstatementName) ...