select database in sql
USE DatabaseName;select database in sql
USE DatabaseName;sql select syntax
select [all/distinct] <COL1>, <COL2>, <COL3>
from <TABLE_NAME>
[join <JOIN_CONDITION>]
[where <CONDITION>]
[group by <COLUMN_NAME>]
[having <SEARCH_CONDITION>]
[order by <SORT_SPECIFICATION>]
/*
Specifically for SQL -> Oracle
LEGEND:
[...] : optional entries
<...> : your specific entry
*/sql select statement
Projection = Select the columns in
a table that are returned by a query
Selection = Selects the rows in a
table that are returned by a query
Join = Brings together data that is
stored in different tables by
specifying the link between themselect into in sql
SELECT column1, column2, column3, ...
INTO newtable [IN externaldb]
FROM oldtable
WHERE condition;select in select sql
SELECT column1 = (SELECT column-name FROM table-name WHERE condition), column-names FROM table-name WEHRE conditionCopyright © 2021 Codeinu
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