Results for “eql”

Write correct, efficient Kusto Query Language queries with coverage of syntax, joins, dynamic types, datetime pitfalls, regex, serialization, memory management, and advanced functions.

Explains syntax differences for common SQL operations across PostgreSQL, MySQL, SQL Server, and Oracle, including auto-increment keys, string concatenation, date functions, pagination, booleans, JSON, case sensitivity, and recursive CTEs.

Provides expert guidance on modern SQL, cloud-native databases, and query optimization, covering performance tuning, data modeling, and hybrid analytical systems.

Write and debug SOQL queries covering SELECT syntax, filters, sorting, pagination, relationship traversal, and aggregate functions.

Write SOQL queries that group or filter records by date periods using the 13 SOQL date functions, with rules for WHERE vs GROUP BY placement, date-literal comparisons, and fiscal-year restrictions.

Optimizes SQL queries by analyzing execution plans, rewriting patterns, and applying performance techniques for PostgreSQL and MySQL.