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SQL 2021-10-19 13:32:10
what is intersect in sql
The SQL INTERSECT clause/operator is used to combine two SELECT statements, but returns rows only from the first SELECT statement that are identical to a row in the second SELECT statement. This means INTERSECT returns only common rows returned by the tw... Add solution -
SQL 2021-10-19 04:55:12
sql interview questions
/* Answer to: "sql interview questions" */ /* Here are 50 common questions you may be asked in an interview! Go to https://www.guru99.com/sql-interview-questions-answers.html for the answers of each question. 1. What is DBMS? 2. Wh... Add solution -
SQL 2021-10-16 17:42:09
mysql installer did not find packages in the current bundle suitable for installation
I suspect there is currently a server issue or something on Oracle/MySQL's end, I have tried the 8.0.22 and 5.7.33 Web installers and neither of them are able to find the list of packages to install. One solution is to download the larger offline install... Add solution -
Other 2021-10-11 17:43:07
How to prevent sql Injection
// use prepared statement to prevent SQL injection $preparedStatement = $dbConnection->prepare('SELECT * FROM animals WHERE name = ?'); $preparedStatement->bind_param('s', $name); $preparedStatement->execute(); $result = $preparedStatement->... Add solution -
SQL 2021-09-28 21:59:03
intersect sql
The SQL INTERSECT clause/operator is used to combine two SELECT statements, but returns rows only from the first SELECT statement that are identical to a row in the second SELECT statement. This means INTERSECT returns only common rows returned by the tw... Add solution
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