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danrega
2023-04-03 15:23:57 +02:00
parent 9da93a4dd4
commit 2ef22258d2
8 changed files with 18 additions and 24 deletions
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03_ABAP_SQL.md
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@@ -322,12 +322,6 @@ SELECT dbtab~*
WHERE ...
INTO ...
"Data source explicitly specified, all fields
SELECT dbtab~*
FROM dbtab
WHERE ...
INTO ...
"Alias names
"Consider the following: You want to read data from a database table into a target data
"object but, for example, a name in the target is different. Provided that there will
@@ -335,7 +329,7 @@ SELECT dbtab~*
"specify an alias name for the database column to match a component's name in the target data object.
SELECT FROM dbtab
  FIELDS comp1 AS comp_a, comp2 AS comp_b, comp3 AS comp_b
  FIELDS comp1 AS comp_a, comp2 AS comp_b, comp3 AS comp_c
  WHERE ...
  INTO CORRESPONDING FIELDS OF TABLE @itab.
@@ -520,7 +514,7 @@ SELECT FROM dbtab
>- If `ORDER BY` and `GROUP BY` clauses are used, all columns specified after `ORDER BY` must also be specified after `GROUP BY`.
>- If aggregate functions are specified after `SELECT`, all columns that are specified after `ORDER BY` and that do not have an alias name for an aggregate function must also be specified after `SELECT` and after the `GROUP BY` clause which is required in this case, too.
[`WHERE`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapwhere.htm) clause: Restricts the number of rows that are included in the result set using a logical expression. See further information on them in the following sections.
[`WHERE`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapwhere.htm) clause: Restricts the number of rows that are included in the result set using logical expressions. See further information on them in the following sections.
``` abap
SELECT FROM dbtab
  FIELDS comp1, comp2, comp3
@@ -587,7 +581,7 @@ SELECT FROM zdemo_abap_flsch
  "Column selector ~ can be used to prefix every specified column.
  "Here, it is optional. It is non-optional, e. g., if multiple data
  "sources in an ABAP SQL statement are edited and the column name
  "is not unique. ]
  "is not unique.
   zdemo_abap_flsch~cityto,
  'Lufthansa' AS name, "Untyped literal