Recent questions tagged sql

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What are Best Practices for preventing SQL injection in node-mysql?

Oct 21, 2024 in Web Development by Nidhi
 • 16,260 points • 1,674 views
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Create a SQL enter script from an Excel worksheet

Sep 8, 2023 in Database by Satyawrat
 • 460 points • 2,532 views
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SQL: Find first occurrence of any character except the one specified

Apr 19, 2023 in Cyber Security & Ethical Hacking by anish
 • 400 points • 2,015 views
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Excel VBA SQL Query on not saved Workbook

Apr 7, 2023 in Others by narikkadan
 • 86,360 points • 1,942 views
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How to get the record count of all tables in athena aws?

Dec 13, 2022 in AWS by Ashwini
 • 5,440 points • 5,593 views
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How to convert an excel formula to SQL to calculate daily compound interest

Nov 26, 2022 in Others by Kithuzzz
 • 38,000 points • 2,370 views
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How to download SQL data in excel format using asp.net

Nov 14, 2022 in Others by Kithuzzz
 • 38,000 points • 2,308 views
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Should I choose Hiberlite for integrating SQLite into my Win/iOS application?

Nov 11, 2022 in Mobile Development by gaurav
 • 25,250 points • 1,426 views
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Find max and second max salary for a employee table MySQL

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 6,323 views
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When doing a MERGE in Oracle SQL, how can I update rows that aren't matched in the SOURCE?

Nov 4, 2022 in Others by gaurav
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How to get second-highest salary employees in a table

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 3,202 views
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Correct use of transactions in SQL Server

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 1,696 views
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SQL Query with NOT LIKE IN

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 1,336 views
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SQL query to select dates between two dates

Nov 4, 2022 in Others by gaurav
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How to use count and group by at the same select statement

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 2,310 views
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SQL Error: ORA-00933: SQL command not properly ended

Nov 4, 2022 in Others by gaurav
 • 25,250 points • 4,242 views
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Is there a coalesce-like function in Excel?

Oct 20, 2022 in Others by Kithuzzz
 • 38,000 points • 6,893 views
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Removing duplicates from Excel rows by adding values of some columns

Sep 22, 2022 in Others by Kithuzzz
 • 38,000 points • 2,225 views
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ERROR 1064 (42000): You have an error in your SQL syntax;

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 12,041 views
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How can I create a unique constraint on my column (SQL Server 2008 R2)?

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 2,323 views
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Using ORDER BY and GROUP BY together

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 1,832 views
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IN Clause with NULL or IS NULL

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 2,020 views
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What is the difference between a primary key and a surrogate key?

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 11,173 views
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How do I obtain a Query Execution Plan in SQL Server?

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 3,388 views
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How do I do multiple CASE WHEN conditions using SQL Server 2008?

Sep 19, 2022 in Database by Kithuzzz
 • 38,000 points • 3,905 views
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INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 13,279 views
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Function to Calculate Median in SQL Server

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 3,318 views
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Highest Salary in each department

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 3,584 views
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SQL Server: IF EXISTS ; ELSE

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 5,943 views
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Best way to do nested case statement logic in SQL Server

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 10,540 views
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What does SELECT COUNT(1) from table_name on any database table mean

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 2,018 views
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How to find third or nᵗʰ maximum salary from salary table?

Sep 18, 2022 in Database by Kithuzzz
 • 38,000 points • 2,608 views
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Is there a combination of "LIKE" and "IN" in SQL?

Sep 17, 2022 in Database by Kithuzzz
 • 38,000 points • 6,954 views
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How to find top three highest salary in emp table in oracle?

Sep 17, 2022 in Database by Kithuzzz
 • 38,000 points • 13,477 views
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SQL like search string starts with

Sep 17, 2022 in Database by Kithuzzz
 • 38,000 points • 5,543 views
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Not equal <> != operator on NULL

Sep 17, 2022 in Database by Kithuzzz
 • 38,000 points • 2,202 views
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Oracle PL/SQL - ORA-01403 "No data found" when using "SELECT INTO"

Sep 17, 2022 in Database by Kithuzzz
 • 38,000 points • 10,771 views
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SQL Server: Extract Table Meta-Data (description, fields and their data types)

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 2,159 views
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How to print SQL statement in codeigniter model

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 7,224 views
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Finding duplicate values in a SQL table

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 2,198 views
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What is the equivalent of 'describe table' in SQL Server?

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 3,180 views
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Getting only Month and Year from SQL DATE

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 4,145 views
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How to delete multiple rows in SQL where id = (x to y)

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 8,680 views
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CASE .. WHEN expression in Oracle SQL

Sep 16, 2022 in Database by Kithuzzz
 • 38,000 points • 1,909 views
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SQL SELECT from multiple tables

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 1,834 views
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SQL JOIN - WHERE clause vs. ON clause

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 3,036 views
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How to add a Try/Catch to SQL Stored Procedure

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 2,563 views
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Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures?

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 9,240 views
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SQL query - Dept and Employee table, some departments may not have managers

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 29,018 views
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Unpivot with column name

Sep 14, 2022 in Database by Kithuzzz
 • 38,000 points • 1,929 views
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