How to Run a One‑Shot SQLite Query from the Linux Command Line and Exit Instantly

This guide shows how to use the sqlite3 command‑line tool on Linux to execute a SQL query—such as selecting all rows from an employees table—and have the program terminate immediately, with multiple techniques including direct arguments, -cmd with .quit, and piping via echo or printf.

LinuxSQL querybatch mode

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How to Run a One‑Shot SQLite Query from the Linux Command Line and Exit Instantly

Aikesheng Open Source Community

Jun 18, 2020 · Databases

How to Query MySQL Metadata Locks Using the MySQL Shell Plugin

This article explains MySQL's metadata lock mechanism and demonstrates how to use the ext.check.get_locks() function from the MySQL Shell plugin—along with a supporting SQL query—to list lock owners, statements, and lock types, including setup steps for MySQL 5.7.

CTEPerformance SchemaSQL query

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How to Query MySQL Metadata Locks Using the MySQL Shell Plugin

21CTO

Sep 29, 2015 · Databases

Boost Application Performance with Apache Ignite’s In‑Memory Caching

Apache Ignite lets developers store hot data in memory, offering partitioned or replicated caching, seamless integration with any backend, write‑through/read‑through and write‑behind modes, automatic schema mapping, and full SQL support, enabling scalable, high‑speed data access for TB‑scale workloads.

Apache IgniteSQL querydistributed databases

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Boost Application Performance with Apache Ignite’s In‑Memory Caching