In Oracle, you can use the ROWNUM method to retrieve the first record of a query result.<\/p>\n
SELECT *<\/p>
FROM table_name<\/p>
WHERE ROWNUM = 1;<\/p><\/pre>\n
This will return the first record in the table_name table.<\/p>\n
SELECT *<\/p>
FROM (<\/p>
<\/p>
SELECT *<\/p>
<\/p>
FROM table_name<\/p>
<\/p>
ORDER BY column_name<\/p>
) <\/p>
WHERE ROWNUM = 1;<\/p><\/pre>\n
In this example, a subquery is first used to sort the table, and then in the outer query, ROWNUM = 1 is used to retrieve the first record of the sorted result set.3. Using the FETCH FIRST method (applicable to Oracle 12c and above versions):<\/p>\n
SELECT *<\/p>
FROM table_name<\/p>
ORDER BY column_name<\/p>
FETCH FIRST 1 ROWS ONLY;<\/p><\/pre>\n
This method uses FETCH FIRST in the query results to specify the number of records to return, using either the FIRST or NEXT keyword along with the number of rows to return. Either way, it can achieve retrieving the first record of the query results.<\/p>\n","protected":false},"excerpt":{"rendered":"
In Oracle, you can use the ROWNUM method to retrieve the first record of a query result. SELECT *FROM table_nameWHERE ROWNUM = 1; This will return the first record in the table_name table. SELECT *FROM ( SELECT * FROM table_name ORDER BY column_name) WHERE ROWNUM = 1; In this example, a subquery is first used to sort the table, and then in the outer query, ROWNUM = 1 is used to retrieve the […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-26331","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n
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