To learn about the ILIKE operator in detail, you can head over to our article namedILIKE Operator: Case-Insensitive Pattern Matching in PostgreSQL. Method 2: Write Case-Insensitive Queries Using the CITEXT Exte
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Azure Cosmos DB for PostgreSQL 使用 PostgreSQL 的 "NOT VALID" 限制式指定,支援 CHECK 限制式和外部索引鍵的這項功能。 例如,請考慮將使用者設定檔儲存在參考資料表中的應用程式。 postgres 複製 -- we're using the "text" column type here, but a real application -- might use "citext" which is...
Storing Emails With citext String Contains Another String Temporarily Disable Triggers Temporary Tables Terminating A Connection Timestamp Functions Toggling The Pager In PSQL Truncate All Rows Truncate Tables With Dependents Turning Timing On Two Ways To Compute Factorial Types By Category Use A psqlrc ...
Azure Cosmos DB for PostgreSQL 使用 PostgreSQL 的 "NOT VALID" 限制式指定,支援 CHECK 限制式和外部索引鍵的這項功能。 例如,請考慮將使用者設定檔儲存在參考資料表中的應用程式。 postgres 複製 -- we're using the "text" column type here, but a real application -- might use "citext" which is...
postgresql複製 -- Suppose we want every ad to use a unique image. Notice we can-- enforce it only per account when we distribute by account id.ALTERTABLEadsADDCONSTRAINTads_unique_imageUNIQUE(account_id, image_url); 非Null 條件約束可以套用至任何資料行 (散發,或非散發式),因為此類資料行無須...
Full Convert migration in 4 easy steps 1. PostgreSQL We will choose PostgreSQL from the list of available source database engines. Connecting to Postgres is straightforward - we need to specify server name/IP, username, password and database name. 2. CSV We will choose Text from the ...
Azure Cosmos DB for PostgreSQL 使用 PostgreSQL 的“无效”约束名称,支持 CHECK 约束和外键的此功能。 例如,考虑将用户配置文件存储在引用表中的应用程序。 postgres 复制 -- we're using the "text" column type here, but a real application -- might use "citext" which is available in a postgres ...
Convert PostgreSQL to Adaptive Server Enterprise Full Convert is designed for ease of use and reliability to make sure you get your job done as quickly and as simply as possible. PostgreSQL is also known as Postgres, PG Adaptive Server Enterprise is also known as Sybase, Sybase ASE, SAP ASE...
Convert PostgreSQL to MySQL Full Convert is designed for ease of use and reliability to make sure you get your job done as quickly and as simply as possible. PostgreSQL is also known as Postgres, PG MySQL is also known as MyISAM, InnoDB (: frm, myd, myi). ...