Recent questions tagged sql

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How Stuff and 'For Xml Path' work in SQL Server?

Feb 23, 2022 in Database by Neha
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How to calculate age (in years) based on Date of Birth and getDate()

Feb 23, 2022 in Database by Neha
 • 9,060 points • 1,397 views
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Error 1046 No database Selected, how to resolve?

Feb 23, 2022 in Others by Rahul
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How to convert DateTime to VarChar

Feb 22, 2022 in Database by Vaani
 • 7,060 points • 985 views
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What is the candidate key in SQL Server?

Feb 22, 2022 in Database by Vaani
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What is "with (nolock)" in SQL Server?

Feb 22, 2022 in Database by Vaani
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SQL SELECT WHERE field contains words

Feb 21, 2022 in Database by Vaani
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SQL query to find third highest salary in company

Feb 21, 2022 in Database by Vaani
 • 7,060 points • 48,380 views
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What is "with (nolock)" in SQL Server?

Feb 21, 2022 in Database by Vaani
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Getting "Lock wait timeout exceeded; try restarting transaction" even though I'm not using a transaction

Feb 18, 2022 in Web Development by Soham
 • 9,700 points • 4,857 views
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How do I use ROW_NUMBER()?

Feb 18, 2022 in Database by Neha
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How can I define a composite primary key in SQL?

Feb 18, 2022 in Database by Neha
 • 9,060 points • 1,286 views
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What is the definition of cardinality in SQL?

Feb 18, 2022 in Database by Neha
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How to insert date values into table?

Feb 18, 2022 in Database by Neha
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What is the difference between HAVING and WHERE in SQL?

Feb 17, 2022 in Database by Vaani
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Function vs. Stored Procedure in SQL Server

Feb 17, 2022 in Database by Vaani
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SQL WITH clause example

Feb 17, 2022 in Database by Vaani
 • 7,060 points • 327 views
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How to Insert date value in SQL table

Feb 17, 2022 in Database by Vaani
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What is the difference between SQL, PL-SQL and T-SQL?

Feb 16, 2022 in Database by Neha
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Difference between datetime and timestamp in sqlserver?

Feb 16, 2022 in Database by Neha
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How do I perform an IF THEN statement in an SQL SELECT?

Feb 16, 2022 in Database by Neha
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Is SQL syntax case sensitive?

Feb 16, 2022 in Database by Neha
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Syntax of for-loop in SQL Server

Feb 15, 2022 in Database by Vaani
 • 7,060 points • 799 views
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SQL error "ORA-01722: invalid number"

Feb 15, 2022 in Database by Vaani
 • 7,060 points • 2,854 views
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What is the definition of cardinality in SQL?

Feb 15, 2022 in Database by Vaani
 • 7,060 points • 1,726 views
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Selecting COUNT(*) with DISTINCT

Feb 14, 2022 in Database by Neha
 • 9,060 points • 388 views
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Which SQL query is used to find Nth highest salary from a salary table

Feb 14, 2022 in Database by Neha
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Should I use != or <> for not equal in T-SQL?

Feb 14, 2022 in Database by Neha
 • 9,060 points • 329 views
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Number of rows affected by an UPDATE in PL/SQL

Feb 14, 2022 in Database by Neha
 • 9,060 points • 1,141 views
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ORACLE LIVE SQL IMPORT CSV DATA (live oracle sql)

Feb 11, 2022 in Database by Vaani
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NOT IN vs NOT EXISTS

Feb 11, 2022 in Database by Vaani
 • 7,060 points • 458 views
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Please name some online websites to compile and run PL/SQL?

Feb 11, 2022 in Database by Vaani
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How to delete duplicate rows in SQL Server?

Feb 10, 2022 in Others by Rahul
 • 9,680 points • 994 views
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#1273 – Unknown collation: ‘utf8mb4_unicode_520_ci’

Feb 10, 2022 in Others by Soham
 • 9,700 points • 1,210 views
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What do you mean by Clustered and Non-Clustered index?

Feb 10, 2022 in Database by Neha
 • 9,060 points • 361 views
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Inserting multiple rows in a single SQL query?

Feb 10, 2022 in Database by Neha
 • 9,060 points • 909 views
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SQL Group By with an Order By

Feb 10, 2022 in Database by Neha
 • 9,060 points • 393 views
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How to delete duplicate rows in SQL Server?

Feb 10, 2022 in Database by Neha
 • 9,060 points • 672 views
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How to generate the statement CREATE TABLE for an existing table in postgreSQL?

Feb 9, 2022 in Database by Vaani
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How to rename a column in a database table using SQL?

Feb 9, 2022 in Database by Vaani
 • 7,060 points • 614 views
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SQL Server: PARTITION BY vs GROUP BY

Feb 9, 2022 in Database by Vaani
 • 7,060 points • 2,392 views
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How Can I use "Date" Datatype in sql server?

Feb 9, 2022 in Database by Vaani
 • 7,060 points • 1,176 views
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What are DDL and DML?

Feb 8, 2022 in Database by Neha
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SQL Server CASE .. WHEN .. IN statement

Feb 8, 2022 in Database by Neha
 • 9,060 points • 573 views
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Convert Rows to columns using 'Pivot' in SQL Server

Feb 8, 2022 in Database by Neha
 • 9,060 points • 1,451 views
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How would I find the second largest salary from a employee table? [closed]

Feb 8, 2022 in Database by Neha
 • 9,060 points • 727 views
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SQL Switch/Case in 'where' clause

Feb 7, 2022 in Database by Neha
 • 9,060 points • 1,224 views
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LEFT JOIN vs. LEFT OUTER JOIN in SQL Server

Feb 4, 2022 in Database by Vaani
 • 7,060 points • 1,809 views
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How to drop all tables from a database with one SQL query?

Feb 4, 2022 in Database by Vaani
 • 7,060 points • 8,681 views
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Ordering by the order of values in a SQL IN() clause

Feb 4, 2022 in Database by Vaani
 • 7,060 points • 4,787 views
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