Shift Alt Add Object 添加物体菜单 ESC Stops ongoing operation—— 停止当前操作 TAB Toggles Edit/Object mode—— 切换编辑/物体模式 Z Toggles Solid/Wireframe display—— 切换实体/线框显示模式 Ctrl G Add to Group 添加到群组 X Delete 删除 Ctrl
Shift+Alt Add
Object 添加物体菜单
ESC Stops
ongoing operation——停止当前操作
TAB Toggles
Edit/Object mode——切换编辑/物体模式
Z Toggles
Solid/Wireframe display——切换实体/线框显示模式
Ctrl+G Add
to Group 添加到群组
X Delete 删除
Ctrl+Z Undo 取消
Ctrl+Shift+Z Redo 重做
CTRL+N Open
New Default File——新建
CTRL+O Open
File——打开
Ctrl
+ S Save File 保存文件
CTRL
+ SHIFT + S Save As——另存为
Shift+D Duplicate 复制
Ctrl+M Mirror 镜像
M Move
to Layer 移动到其他层
Ctrl+Shift+Alt+Ctrl Move
Origin Point 移动到原支点
H Hide 隐藏
Alt+H Unhide 反隐藏
Ctrl+P Parent
To 指定到父物体
Ctrl+T Clear
Parent 清除父子关系
Alt+P Track
To 跟踪物体
Alt+T Clear
Track 清除跟踪关系
Shift+Ctrl Reset 3D Cursor 重置3D光标
Ctrl+Spacebar Turn Widget On/Off 开/关 Widget (没试出来,这个貌似和中文输入法冲突?)

MySQL'sBLOBissuitableforstoringbinarydatawithinarelationaldatabase,whileNoSQLoptionslikeMongoDB,Redis,andCassandraofferflexible,scalablesolutionsforunstructureddata.BLOBissimplerbutcanslowdownperformancewithlargedata;NoSQLprovidesbetterscalabilityand

ToaddauserinMySQL,use:CREATEUSER'username'@'host'IDENTIFIEDBY'password';Here'showtodoitsecurely:1)Choosethehostcarefullytocontrolaccess.2)SetresourcelimitswithoptionslikeMAX_QUERIES_PER_HOUR.3)Usestrong,uniquepasswords.4)EnforceSSL/TLSconnectionswith

ToavoidcommonmistakeswithstringdatatypesinMySQL,understandstringtypenuances,choosetherighttype,andmanageencodingandcollationsettingseffectively.1)UseCHARforfixed-lengthstrings,VARCHARforvariable-length,andTEXT/BLOBforlargerdata.2)Setcorrectcharacters

MySQloffersechar, Varchar, text, Anddenumforstringdata.usecharforfixed-Lengthstrings, VarcharerForvariable-Length, text forlarger text, AndenumforenforcingdataAntegritywithaetofvalues.

Optimizing MySQLBLOB requests can be done through the following strategies: 1. Reduce the frequency of BLOB query, use independent requests or delay loading; 2. Select the appropriate BLOB type (such as TINYBLOB); 3. Separate the BLOB data into separate tables; 4. Compress the BLOB data at the application layer; 5. Index the BLOB metadata. These methods can effectively improve performance by combining monitoring, caching and data sharding in actual applications.

Mastering the method of adding MySQL users is crucial for database administrators and developers because it ensures the security and access control of the database. 1) Create a new user using the CREATEUSER command, 2) Assign permissions through the GRANT command, 3) Use FLUSHPRIVILEGES to ensure permissions take effect, 4) Regularly audit and clean user accounts to maintain performance and security.

ChooseCHARforfixed-lengthdata,VARCHARforvariable-lengthdata,andTEXTforlargetextfields.1)CHARisefficientforconsistent-lengthdatalikecodes.2)VARCHARsuitsvariable-lengthdatalikenames,balancingflexibilityandperformance.3)TEXTisidealforlargetextslikeartic

Best practices for handling string data types and indexes in MySQL include: 1) Selecting the appropriate string type, such as CHAR for fixed length, VARCHAR for variable length, and TEXT for large text; 2) Be cautious in indexing, avoid over-indexing, and create indexes for common queries; 3) Use prefix indexes and full-text indexes to optimize long string searches; 4) Regularly monitor and optimize indexes to keep indexes small and efficient. Through these methods, we can balance read and write performance and improve database efficiency.


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