{"id":536,"date":"2017-08-07T11:12:37","date_gmt":"2017-08-07T04:12:37","guid":{"rendered":"https:\/\/oracletutorial.com\/?page_id=536"},"modified":"2025-05-11T19:01:39","modified_gmt":"2025-05-12T02:01:39","slug":"oracle-current_timestamp","status":"publish","type":"page","link":"https:\/\/www.oracletutorial.com\/oracle-date-functions\/oracle-current_timestamp\/","title":{"rendered":"Oracle CURRENT_TIMESTAMP"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you&#8217;ll learn how to use the Oracle <code>CURRENT_TIMESTAMP<\/code> function to return the current date and time in the session time zone.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-oracle-current_timestamp-function'>Introduction to the Oracle CURRENT_TIMESTAMP function <a href=\"#introduction-to-the-oracle-current_timestamp-function\" class=\"anchor\" id=\"introduction-to-the-oracle-current_timestamp-function\" title=\"Anchor for Introduction to the Oracle CURRENT_TIMESTAMP function\">#<\/a><\/h2>\n\n\n\n<p>The <code>CURRENT_TIMESTAMP<\/code> function returns the current timestamp with a time zone.<\/p>\n\n\n\n<p>Here&#8217;s the the syntax of the Oracle <code>CURRENT_TIMESTAMP<\/code> function:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">CURRENT_TIMESTAMP(factional_second_precision)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The <code>CURRENT_TIMESTAMP<\/code> function acccepts an optional parameter:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>factional_second_precision<\/code> determines the number of fractional second precision in the returned time value. If you omit the <code>factional_second_prevision<\/code> argument, it defaults to 6.<\/li>\n<\/ul>\n\n\n\n<p>The <code>CURRENT_TIMESTAMP<\/code> returns a value of the current timestamp in <code>TIMESTAMP WITH TIME ZONE<\/code> data type.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='oracle-current_timestamp-function-example'>Oracle CURRENT_TIMESTAMP function example <a href=\"#oracle-current_timestamp-function-example\" class=\"anchor\" id=\"oracle-current_timestamp-function-example\" title=\"Anchor for Oracle CURRENT_TIMESTAMP function example\">#<\/a><\/h2>\n\n\n\n<p>First, change the format of timestamp values to include the time components:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">ALTER<\/span> <span class=\"hljs-keyword\">SESSION<\/span> <span class=\"hljs-keyword\">SET<\/span> NLS_DATE_FORMAT = <span class=\"hljs-string\">'DD-MON-YYYY HH24:MI:SS'<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Second, show the current timestamp in the session time zone:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  <span class=\"hljs-keyword\">CURRENT_TIMESTAMP<\/span>\n<span class=\"hljs-keyword\">FROM<\/span>\n  dual;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">06-AUG-17 08.26.52.742000000 PM -07:00<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>Let&#8217;s change the session time zone to the new one:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">ALTER<\/span> <span class=\"hljs-keyword\">SESSION<\/span> <span class=\"hljs-keyword\">SET<\/span> <span class=\"hljs-keyword\">TIME_ZONE<\/span> = <span class=\"hljs-string\">'-08:00'<\/span>;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>And get the current timestamp again:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\"><span class=\"hljs-keyword\">SELECT<\/span>\n  <span class=\"hljs-keyword\">CURRENT_TIMESTAMP<\/span>\n<span class=\"hljs-keyword\">FROM<\/span>\n  dual;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>The current timestamp was adjusted to the new session time zone as shown below:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">06-AUG-17 07.50.48.004000000 PM -08:00\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">SQL (Structured Query Language)<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">sql<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<h2 class=\"wp-block-heading\" id='remarks'>Remarks <a href=\"#remarks\" class=\"anchor\" id=\"remarks\" title=\"Anchor for Remarks\">#<\/a><\/h2>\n\n\n\n<p>Notice that the <code>CURRENT_TIMESTAMP<\/code> returns a <code>TIMESTAMP WITH TIME ZONE<\/code> value while the <code>LOCALTIMESTAMP<\/code> returns a <code>TIMESTAMP<\/code> value without the time zone data.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='summary'>Summary <a href=\"#summary\" class=\"anchor\" id=\"summary\" title=\"Anchor for Summary\">#<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use the Oracle <code>CURRENT_TIMESTAMP<\/code> function to get the current timestamp in the session time zone.<\/li>\n<\/ul>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div 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