Select into table

APPLIES TO: SQL Server Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse. To view the complete SELECT syntax, see SELECT. Das Ergebnis ist bei beiden dasselbe. Aber wenn du beides ausführst wirst du sehen, dass into table viel schneller ist, weil es keine Schleife durchläuft sondern alles mit einem Wisch reinliest.

For Non-Existing Table - SELECT INTO. The new table is created with the same data types as selected columns.

Insert Data Into Temp Table with Query. Alternatively, you can use SELECT. The same syntax can also be used inside stored routines using cursors and local variables. You may want to define a primary key for the new table.

INTO OUTFILE or CREATE TABLE. If columns listed in insert clause and select clause are same, they are not required to list them. A SELECT statement that provides a set of rows for processing.

A table or view that must be accessible when you execute the SELECT statement, and for which you must have SELECT privileges.

For the syntax of table _reference, see DELETE Statement. The following illustrates the syntax of the. In this example we are creating a new table called dbo. CustomerEmailAddress with only the CustomerID and EmailAddress from the dbo. It allows you to specify the number of rows returned by the query to be inserted into the target table.

If you use the PERCENT option, the statement will insert the percent of rows instead. Let’s create a table named. The statement assigns the values in that row to host variables.

If the table is empty, the statement does not assign values to the host variables. This statement can only be embedded in an application program. With temporary table caching, SQL Server will not drop the table physically, but will truncate it and maintain the IAM and data pages. When the table is created later, SQL Server will reuse the earlier pages, which reduces the number of page modifications required.

If you want to copy all rows from the source table to the target table , you remove the WHERE clause. Otherwise, you can specify which rows from the source table should be copied to the target table. In this section, we want to join multiple tables together. Usually a select query returns result sets to the client application.

Creating new tables from query : select into. The select into command lets you create a new table based on the columns specified in the select statement’s select list and the rows specified in the where clause.

However, you cannot insert into a table and select from the same table in a subquery. The SELECT statement can retrieve data from one or more tables. Furthermore, CREATE TABLE AS offers a superset of the functionality provided by SELECT INTO.

We will use the customers table in the sample database for the demonstration. Without specifying TABLE , result is a structure and a SELECT loop is opened that must be closed with ENDSELECT. That is an ABAP speciality of course.

Now you might ask why should I open a loop, if I know that I want to read only one row into a structure. Different types of select statements used in SAP ABAP programming to read data from database table. To find out which records will be selected before you run the make- table query, first examine the of a SELECT statement that uses the same selection criteria. In fact, this is the actual reason why SELECT. On the other han in the case of SELECT.

Make- table queries are most useful for providing backup snapshots or for creating tables with rolled-up totals at the end of an accounting period. The name of the table to be created. The path to an external database. The number of columns and data type of column must be same.

You can select data and then directly create a new table to store the result.