{"id":525,"date":"2018-05-14T11:17:10","date_gmt":"2018-05-14T04:17:10","guid":{"rendered":"http:\/\/www.sqlservertutorial.net\/?page_id=525"},"modified":"2024-09-24T19:29:02","modified_gmt":"2024-09-24T12:29:02","slug":"sql-server-update","status":"publish","type":"page","link":"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-update\/","title":{"rendered":"SQL Server UPDATE Statement"},"content":{"rendered":"\n<p><strong>Summary<\/strong>: in this tutorial, you will learn how to use the SQL Server <code>UPDATE<\/code> statement to change existing data in a table.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id='introduction-to-the-sql-server-update-statement'>Introduction to the SQL Server UPDATE statement <a href=\"#introduction-to-the-sql-server-update-statement\" class=\"anchor\" id=\"introduction-to-the-sql-server-update-statement\" title=\"Anchor for Introduction to the SQL Server UPDATE statement\">#<\/a><\/h2>\n\n\n\n<p>To modify existing data in a table, you use the following <code>UPDATE<\/code> statement:<\/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\"><span class=\"hljs-keyword\">UPDATE<\/span> \n    table_name\n<span class=\"hljs-keyword\">SET<\/span> \n    c1 = v1, \n    c2 = v2, \n    ...,\n    cn = vn\n&#91;<span class=\"hljs-keyword\">WHERE<\/span> condition]<\/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>In this syntax:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>First, specify the name of the table you want to update data after the <code>UPDATE<\/code> keyword.<\/li>\n\n\n\n<li>Second, specify a list of columns c1, c2, &#8230;, cn and new values v1, v2, &#8230; vn in the <code>SET<\/code> clause.<\/li>\n\n\n\n<li>Third, filter the rows to update by specifying a condition in the <code><a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-where\/\">WHERE<\/a><\/code> clause. The <code>WHERE<\/code> clause is optional. If you skip the <code>WHERE<\/code> clause, the statement will update all rows in the table.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id='sql-server-update-examples'>SQL Server UPDATE examples <a href=\"#sql-server-update-examples\" class=\"anchor\" id=\"sql-server-update-examples\" title=\"Anchor for SQL Server UPDATE examples\">#<\/a><\/h2>\n\n\n\n<p>First, <a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-create-table\/\">create a new table<\/a> named <code>taxes<\/code> for demonstration.<\/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\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> sales.taxes (\n\ttax_id <span class=\"hljs-built_in\">INT<\/span> PRIMARY <span class=\"hljs-keyword\">KEY<\/span> <span class=\"hljs-keyword\">IDENTITY<\/span> (<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">1<\/span>),\n\tstate <span class=\"hljs-built_in\">VARCHAR<\/span> (<span class=\"hljs-number\">50<\/span>) <span class=\"hljs-keyword\">NOT<\/span> <span class=\"hljs-literal\">NULL<\/span> <span class=\"hljs-keyword\">UNIQUE<\/span>,\n\tstate_tax_rate <span class=\"hljs-built_in\">DEC<\/span> (<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">2<\/span>),\n\tavg_local_tax_rate <span class=\"hljs-built_in\">DEC<\/span> (<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">2<\/span>),\n\tcombined_rate <span class=\"hljs-keyword\">AS<\/span> state_tax_rate + avg_local_tax_rate,\n\tmax_local_tax_rate <span class=\"hljs-built_in\">DEC<\/span> (<span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">2<\/span>),\n\tupdated_at datetime\n);<\/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, execute the following statements to <a href=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-insert\/\">insert<\/a> data into the <code>taxes<\/code> table:<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Insert Statements<\/summary><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\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Alabama'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.07<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Alaska'<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.07<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Arizona'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.05<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Arkansas'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.05<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'California'<\/span>,<span class=\"hljs-number\">0.07<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Colorado'<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.08<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Connecticut'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Delaware'<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Florida'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Georgia'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.03<\/span>,<span class=\"hljs-number\">0.04<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Hawaii'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Idaho'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.03<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Illinois'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.04<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Indiana'<\/span>,<span class=\"hljs-number\">0.07<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Iowa'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Kansas'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.04<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Kentucky'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Louisiana'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.07<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Maine'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Maryland'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Massachusetts'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Michigan'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Minnesota'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Mississippi'<\/span>,<span class=\"hljs-number\">0.07<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Missouri'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.03<\/span>,<span class=\"hljs-number\">0.05<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Montana'<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Nebraska'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Nevada'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'New Hampshire'<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'New Jersey'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'New Mexico'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.03<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'New York'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.04<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'North Carolina'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'North Dakota'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.03<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Ohio'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Oklahoma'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.06<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Oregon'<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Pennsylvania'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Rhode Island'<\/span>,<span class=\"hljs-number\">0.07<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'South Carolina'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'South Dakota'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.04<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Tennessee'<\/span>,<span class=\"hljs-number\">0.07<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Texas'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Utah'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Vermont'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Virginia'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Washington'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0.02<\/span>,<span class=\"hljs-number\">0.03<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'West Virginia'<\/span>,<span class=\"hljs-number\">0.06<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Wisconsin'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0.01<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'Wyoming'<\/span>,<span class=\"hljs-number\">0.04<\/span>,<span class=\"hljs-number\">0.01<\/span>,<span class=\"hljs-number\">0.02<\/span>);\n<span class=\"hljs-keyword\">INSERT<\/span> <span class=\"hljs-keyword\">INTO<\/span> sales.taxes(state,state_tax_rate,avg_local_tax_rate,max_local_tax_rate) <span class=\"hljs-keyword\">VALUES<\/span>(<span class=\"hljs-string\">'D.C.'<\/span>,<span class=\"hljs-number\">0.05<\/span>,<span class=\"hljs-number\">0<\/span>,<span class=\"hljs-number\">0<\/span>);<\/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><\/details>\n\n\n\n<h3 class=\"wp-block-heading\" id='1-update-a-single-column-in-all-rows-of-a-table'>1) Update a single column in all rows of a table <a href=\"#1-update-a-single-column-in-all-rows-of-a-table\" class=\"anchor\" id=\"1-update-a-single-column-in-all-rows-of-a-table\" title=\"Anchor for 1) Update a single column in all rows of a table\">#<\/a><\/h3>\n\n\n\n<p>The following statement uses the <code>UPDATE<\/code> statement to change the values of the <code>updated_at<\/code> column in the <code>taxes<\/code> table to the system date time:<\/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\"><span class=\"hljs-keyword\">UPDATE<\/span> sales.taxes\n<span class=\"hljs-keyword\">SET<\/span> updated_at = <span class=\"hljs-keyword\">GETDATE<\/span>();<\/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>Output:<\/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\">(51 rows affected)<\/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>The output shows that 51 rows have been updated successfully.<\/p>\n\n\n\n<p>Let&#8217;s verify the update:<\/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> * <span class=\"hljs-keyword\">FROM<\/span> sales.taxes;<\/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>Here is the partial output:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"641\" height=\"341\" src=\"https:\/\/www.sqlservertutorial.net\/wp-content\/uploads\/SQL-Server-UPDATE-example.png\" alt=\"SQL Server UPDATE example\" class=\"wp-image-2220\" srcset=\"https:\/\/www.sqlservertutorial.net\/wp-content\/uploads\/SQL-Server-UPDATE-example.png 641w, https:\/\/www.sqlservertutorial.net\/wp-content\/uploads\/SQL-Server-UPDATE-example-300x160.png 300w\" sizes=\"auto, (max-width: 641px) 100vw, 641px\" \/><\/figure>\n\n\n\n<p>The output shows that the <code>updated_at<\/code> column has been updated with the date and time when we ran the statement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id='2-update-multiple-columns'>2) Update multiple columns <a href=\"#2-update-multiple-columns\" class=\"anchor\" id=\"2-update-multiple-columns\" title=\"Anchor for 2) Update multiple columns\">#<\/a><\/h3>\n\n\n\n<p>The following statement increases the max local tax rate by 2% and the average local tax rate by 1% in the states that have a max local tax rate of 1%.<\/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\"><span class=\"hljs-keyword\">UPDATE<\/span> sales.taxes\n<span class=\"hljs-keyword\">SET<\/span> max_local_tax_rate += <span class=\"hljs-number\">0.02<\/span>,\n    avg_local_tax_rate += <span class=\"hljs-number\">0.01<\/span>\n<span class=\"hljs-keyword\">WHERE<\/span>\n    max_local_tax_rate = <span class=\"hljs-number\">0.01<\/span>;<\/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<p>Output:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"SQL (Structured Query Language)\" data-shcb-language-slug=\"sql\"><span><code class=\"hljs language-sql\">(7 rows affected)<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><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 output shows that the taxes of 7 states have been updated.<\/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 SQL Server <code>UPDATE<\/code> statement to modify data in the existing table.<\/li>\n<\/ul>\n<div class=\"helpful-block-content\" data-title=\"\">\n\t<header>\n\t\t<div class=\"wth-question\">Was this tutorial helpful?<\/div>\n\t\t<div class=\"wth-thumbs\">\n\t\t\t<button\n\t\t\t\tdata-post=\"525\"\n\t\t\t\tdata-post-url=\"https:\/\/www.sqlservertutorial.net\/sql-server-basics\/sql-server-update\/\"\n\t\t\t\tdata-post-title=\"SQL Server UPDATE Statement\"\n\t\t\t\tdata-response=\"1\"\n\t\t\t\tclass=\"wth-btn-rounded wth-yes-btn\"\n\t\t\t>\n\t\t\t\t<svg\n\t\t\t\t\txmlns=\"http:\/\/www.w3.org\/2000\/svg\"\n\t\t\t\t\tviewBox=\"0 0 24 24\"\n\t\t\t\t\tfill=\"none\"\n\t\t\t\t\tstroke=\"currentColor\"\n\t\t\t\t\tstroke-width=\"2\"\n\t\t\t\t\tstroke-linecap=\"round\"\n\t\t\t\t\tstroke-linejoin=\"round\"\n\t\t\t\t\tclass=\"feather feather-thumbs-up block w-full 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Introduction to the SQL Server UPDATE statement # To modify existing data in a table, you use the following UPDATE statement: In this syntax: SQL Server UPDATE examples # First, create a new [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":100,"menu_order":38,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-525","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SQL Server UPDATE Statement<\/title>\n<meta name=\"description\" content=\"In this tutorial, you will learn how to use the SQL Server UPDATE statement to change existing data in a table.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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